%&LaTeX
\documentclass{article}

\usepackage[latin1]{inputenc}
\usepackage[T1]{fontenc}
\usepackage{textcomp}

\begin{document}

\begin{thebibliography}{1}

\bibitem{Sanchez1994} S{\'a}nchez, {\'A}. (1994). Mercantilismo, sociedad y algunos personajes de {\textquotedblleft}Celestina{\textquotedblright}. \textit{Torre de Papel}, 4 (3), 59--71.

\end{thebibliography}

\end{document}

