%%
%% The LaTeX Companion, 2ed (second printing August 2004)
%%
%% Example 12-3-19 on page 705.
%%
%% 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{183.0pt}

%% Do not show the bibliography itself in the example,
%% so put it on a separate page:
\AtEndDocument{\newpage\bibliography{tex}}
\setlength\parindent{0pt}

\StartShownPreambleCommands
\usepackage{natbib} \bibliographystyle{agu}
\StopShownPreambleCommands
\begin{document}
\citet{LGC97}  \\  \citep{Knuth-CT-a,LWC99} \\
\citep[see][chap.~2]{Knuth-CT-a}
\end{document}