\begin{thebibliography}{}

\bibitem[\protect\citename{Cheatham}1918]{cheatham}
Cheatham, Thomas.
\newblock 1918.
\newblock The proper style of citation in scholarly papers, and how to spend
  lots of time getting {\LaTeX} to do it.
\newblock {\em Life}, 12(3):37--38.

\bibitem[\protect\citename{Dewey}1910]{dewey1}
Dewey, John.
\newblock 1910.
\newblock The proper style of citation in scholarly papers, and how to spend
  lots of time getting {\LaTeX} to do it.
\newblock {\em Life}, 12(3):37--38.

\bibitem[\protect\citename{Dewey and Cheatham}1912]{dewey2}
Dewey, John and Thomas Cheatham.
\newblock 1912.
\newblock The proper style of citation in scholarly papers, and how to spend
  lots of time getting {\LaTeX} to do it.
\newblock {\em Life}, 12(3):37--38.

\bibitem[\protect\citename{Dewey, Cheatham, and Howe}1914]{dewey3}
Dewey, John, Thomas Cheatham, and Elias Howe.
\newblock 1914.
\newblock The proper style of citation in scholarly papers, and how to spend
  lots of time getting {\LaTeX} to do it.
\newblock {\em Life}, 12(3):37--38.

\bibitem[\protect\citename{Dewey \bgroup et al.\egroup }1916]{dewey4}
Dewey, John, Thomas Cheatham, Elias Howe, and Stuart Shieber.
\newblock 1916.
\newblock The proper style of citation in scholarly papers, and how to spend
  lots of time getting {\LaTeX} to do it.
\newblock {\em Life}, 12(3):37--38.

\bibitem[\protect\citename{Howe}1920]{howe}
Howe, Elias.
\newblock 1920.
\newblock The proper style of citation in scholarly papers, and how to spend
  lots of time getting {\LaTeX} to do it.
\newblock {\em Life}, 12(3):37--38.

\end{thebibliography}