document.tex

%% 
%% LaTeX Boilerplate (http://github.com/gbluma/latex-boilerplate/)
%% 

\documentclass[12pt,fleqn,leqno,letterpaper]{article}

\include{preamble}

\title{Document Title}
\author{Author Name\\
  \small{Class Number - Class Name}\\
  \small{Your Educational Institution}\\
  \small{\texttt{email@address.com}}
}
\date{December 15, 2012}

\begin{document}

\setstretch{1.00}
\maketitle

% -- Table of Contents --
% (would go here)

% -- set document spacing --
% \setstretch{1.09}  % single line
% \setstretch{1.30}  % single wide-spaced
% \setstretch{1.50}  % one and a half spacing

% -- Import content here
\input{s_introduction}


% -- Bibliography (APA style)
\bibliography{references}

\end{document}