%%
%% The LaTeX Companion, 3ed
%%
%% Example 3-5-6 on page I-207 in "Using standard footnotes".
%%
%% 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}
\setlength\textheight{4\baselineskip}
%StartShownPreambleCommands
\newcommand\fnref[1]{\unskip~(\ref{#1})}
%StopShownPreambleCommands

\begin{document}
This is some text.\footnote{Text inside
referenced footnote\label{fn:myfoot}.} \ldots\par
As shown in footnote\fnref{fn:myfoot} on
page~\pageref{fn:myfoot}, \ldots
\end{document}