Story/cite 223 - DOI field should be shown on citation pages

[PradnyaC11]

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Please confirm the following by adding an x for each item (turn [ ] into [x]).

• I have removed all code style changes that are not necessary (e.g. changing blanks across the whole file that don’t need to be changed, adding empty lines in parts other than your own code)
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Please provide a brief description of your ticket

DOI field should be shown on citation pages

https://diging.atlassian.net/browse/CITE-223

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Anything else the reviewer needs to know?

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Ralated PRs -
diging/citesphere#277

[jdamerow]

is there a reason this is capitalized? It shouldn't be.