%%
%% The LaTeX Companion, 2ed (second printing August 2004)
%%
%% Example 12-3-12 on page 703.
%%
%% 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{87.0pt}

%% 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{agsm}
\newcommand\possessivecite[1]{\citeauthor{#1}'s \citeyearpar{#1}}
\StopShownPreambleCommands
\begin{document}
\citeauthor{Knuth-CT-a}'s \citeyearpar{Knuth-CT-a} \\
\possessivecite{Knuth-CT-a}
\end{document}
