Latex - Inserting a reference in a figure's caption

Question

In Latex, I want to add a reference in the legend of a figure, like:

\\begin{figure}
   ...
   \\caption{This is the legend of this figure (reprinted from \\cite         


        

Answer 1

Solution found: write \protect\cite{ref} instead of just \cite{ref}

Or even shorter: '{\cite{ref}}'