%%
%% The LaTeX Companion, 2ed (second printing August 2004)
%%
%% Example 12-2-12 on page 697.
%%
%% 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{111.0pt}

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

\StartShownPreambleCommands
\usepackage[super]{cite}    \bibliographystyle{plain}
\StopShownPreambleCommands
\begin{document}
et al.\@ \cite{LGC97}.  \hfil   et al.\ \cite{LGC97}.\par
U.S.A. \cite{unknown}.  \hfil   U.S.A\@. \cite{unknown}.
\end{document}