%%
%% The LaTeX Companion, 3ed
%%
%% Example 16-7-9 on page II-548 in "Unambiguous 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{183.0pt}
% Use biber program
\setlength\parindent{0pt}
%StartShownPreambleCommands
\usepackage[style=authoryear]{biblatex}
\addbibresource{tlc-ex.bib}
%StopShownPreambleCommands
\begin{document}
\cite{smith,kirk1,kirk2} \\
\cite{pyne1,pyne2} \\
\cite{doe1,doe2} \\
\cite{webb1,webb2}
\end{document}