%&LaTeX
\documentclass{article}

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

\begin{document}

\begin{thebibliography}{1}

\bibitem{BernaldodeQuiros2012} Bernaldo de Quir{\'o}s, J. A. (2012). Sobre una presunta {\textquotedblleft}Celestina{\textquotedblright} en catal{\'a}n. \textit{El Norte de Castilla}, pp. 36--37.

\end{thebibliography}

\end{document}

