%%
%% The LaTeX Companion, 3ed
%%
%% Example 16-4-7 on page II-505 in "Sorting and compressing numerical citations".
%%
%% 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{135.0pt}

%% Do not show the bibliography itself in the example,
%% so put it on a separate page:
\AtEndDocument{\newpage\bibliography{tlc}}

%StartShownPreambleCommands
\usepackage[sort&compress]{natbib}\bibliographystyle{plain}
%StopShownPreambleCommands

\begin{document}
Good information about \TeX{} and \LaTeX{} can be found in
\citep{LGC97,LWC99,Knuth-CT-a,Knuth:TB10-1-31}.
\end{document}