diff --git a/invenio_rdm_records/resources/serializers/bibtex/schema.py b/invenio_rdm_records/resources/serializers/bibtex/schema.py
index cd976ef42..0bd6f50d5 100644
--- a/invenio_rdm_records/resources/serializers/bibtex/schema.py
+++ b/invenio_rdm_records/resources/serializers/bibtex/schema.py
@@ -57,6 +57,10 @@ class BibTexSchema(BaseSerializerSchema, CommonFieldsMixin):
             BibTexFormatter.book,
             BibTexFormatter.booklet,
         ],
+        "publication-section": [
+            BibTexFormatter.in_collection,
+            BibTexFormatter.in_book,
+        ],
         "publication-article": [BibTexFormatter.article],
         "publication-preprint": [BibTexFormatter.unpublished],
         "publication-thesis": [BibTexFormatter.thesis],
diff --git a/invenio_rdm_records/resources/serializers/bibtex/schema_formats.py b/invenio_rdm_records/resources/serializers/bibtex/schema_formats.py
index 0f65f3575..f3f41370f 100644
--- a/invenio_rdm_records/resources/serializers/bibtex/schema_formats.py
+++ b/invenio_rdm_records/resources/serializers/bibtex/schema_formats.py
@@ -72,6 +72,41 @@ class BibTexFormatter:
     }
     """A single-volume conference proceedings."""
 
+    in_collection = {
+        "name": "incollection",
+        "req_fields": ["author", "title", "booktitle", "year", "publisher"],
+        "opt_fields": [
+            "pages",
+            "address",
+            "month",
+            "editor",
+            "volume",
+            "number",
+            "series",
+            "doi",
+            "url",
+        ],
+    }
+    """An article in a book."""
+
+    in_book = {
+        "name": "inbook",
+        "req_fields": ["author", "title", "pages", "year", "publisher"],
+        "opt_fields": [
+            "address",
+            "month",
+            "editor",
+            "edition",
+            "volume",
+            "number",
+            "series",
+            "note",
+            "doi",
+            "url",
+        ],
+    }
+    """A part of a book that doesn't have a title."""
+
     article = {
         "name": "article",
         "req_fields": ["author", "title", "journal", "year"],
diff --git a/tests/resources/serializers/test_bibtex_serializer.py b/tests/resources/serializers/test_bibtex_serializer.py
index 94bf492c7..8c2c2324f 100644
--- a/tests/resources/serializers/test_bibtex_serializer.py
+++ b/tests/resources/serializers/test_bibtex_serializer.py
@@ -225,6 +225,62 @@ def test_serialize_publication_conferenceproceeding(
     assert serialized_record == expected_data
 
 
+def test_serialize_publication_booksection(running_app, updated_minimal_record):
+    """Test bibtex formatter for a section of a book.
+
+    It serializes into `incollection` based on
+
+    - incollection (Book title is present)
+    - inbook (Book title is not present, pages are present)
+    """
+    updated_minimal_record["metadata"]["resource_type"]["id"] = "publication-section"
+
+    # Force serialization into 'incollection'
+    updated_minimal_record.update(
+        {"custom_fields": {"imprint:imprint": {"title": "book title", "pages": "1-5"}}}
+    )
+
+    serializer = BibtexSerializer()
+    serialized_record = serializer.serialize_object(updated_minimal_record)
+
+    expected_data = "\n".join(
+        [
+            "@incollection{brown_2023_abcde-fghij,",
+            "  author       = {Name and",
+            "                  Troy Inc.},",
+            "  title        = {A Romans story},",
+            "  booktitle    = {book title},",
+            "  year         = 2023,",
+            "  publisher    = {Acme Inc},",
+            "  pages        = {1-5},",
+            "  month        = mar,",
+            "}",
+        ]
+    )
+
+    assert serialized_record == expected_data
+
+    # Force serialization into 'inbook'
+    del updated_minimal_record["custom_fields"]["imprint:imprint"]["title"]
+    serialized_record = serializer.serialize_object(updated_minimal_record)
+
+    expected_data = "\n".join(
+        [
+            "@inbook{brown_2023_abcde-fghij,",
+            "  author       = {Name and",
+            "                  Troy Inc.},",
+            "  title        = {A Romans story},",
+            "  pages        = {1-5},",
+            "  year         = 2023,",
+            "  publisher    = {Acme Inc},",
+            "  month        = mar,",
+            "}",
+        ]
+    )
+
+    assert serialized_record == expected_data
+
+
 def test_serialize_publication_book(running_app, updated_minimal_record):
     """Test bibtex formatter for books.