%%
%% The LaTeX Companion, 3ed
%%
%% Example 15-7-6 on page II-424 in "A collection of \protect \BibTeX {} style files".
%%
%% Copyright (C) 2022 Frank Mittelbach
%%
%% It may be distributed and/or modified under the conditions
%% of the LaTeX Project Public License, either version 1.3c
%% of this license or (at your option) any later version.
%%
%% See https://www.latex-project.org/lppl.txt for details.
%%

\documentclass{tlc3exa}
\pagestyle{empty}
\setcounter{page}{6}
\setlength\textwidth{390.0pt}

\renewcommand\refname{}  % suppress heading in example
% Use BibTeX without --minref

%StartShownPreambleCommands
\usepackage{natbib}\bibliographystyle{chicago}
%StopShownPreambleCommands

\begin{document}
    \nocite{Knuth:TB10-1-31,GNUMake,MR-PQ,Knuth-CT-a,test97}
\nocite{Knuth:TB10-1-31,GNUMake,MR-PQ,Knuth-CT-a}
\bibliography{tlc,tlc-ex}
\end{document}