%&LaTeX
\documentclass{article}

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

\begin{document}

\begin{thebibliography}{1}

\bibitem{AguirreBellver1994} Aguirre Bellver, J. (1994). \textit{Los secretos de {\textquotedblleft}La Celestina{\textquotedblright}: qui{\'e}n escribi{\'o} el primer acto; documentos in{\'e}ditos}. Madrid: Jaguibel.

\end{thebibliography}

\end{document}

