%&LaTeX
\documentclass{article}

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

\begin{document}

\begin{thebibliography}{1}

\bibitem{Cantalapiedra2011} Cantalapiedra, F. (2011). {\textquotedblleft}Fue tanto breve quanto muy sutil{\textquotedblright}. Los paratextos de {\textquotedblleft}La Celestina{\textquotedblright}. \textit{eHumanista}, 19, 20--78.

\end{thebibliography}

\end{document}

