%%
%% The LaTeX Companion, 2ed (second printing August 2004)
%%
%% Example 12-2-2 on page 692.
%%
%% Copyright (C) 2004 Frank Mittelbach, Michel Goossens,
%%    Johannes Braams, David Carlisle, and Chris Rowley
%%
%% It may be distributed and/or modified under the conditions
%% of the LaTeX Project Public License, either version 1.3
%% of this license or (at your option) any later version.
%%
%% See http://www.latex-project.org/lppl.txt for details.
%%

\documentclass{ttctexa}
\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{tex}}

\StartShownPreambleCommands
\bibliographystyle{plain}    \usepackage{ifthen}
\makeatletter
\renewcommand\@cite[2]{({#1\ifthenelse{\boolean{@tempswa}}
                                      {,\nolinebreak[3] #2}{}})}
\makeatother
\StopShownPreambleCommands
\begin{document}
Color support for \LaTeX{} is described in \cite{LGC97} and
the \texttt{hyperref} package in \cite[pp.\,35--67]{LWC99}.
\end{document}