%&LaTeX
\documentclass{article}

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

\begin{document}

\begin{thebibliography}{1}

\bibitem{Marciales1983} Marciales, M. (1983). Sobre problemas rojanos y celestinescos: carta al Dr. Stephen Gilman a prop{\'o}sito del libro {\textquotedblleft}The Spain of Fernando de Rojas{\textquotedblright}., .

\end{thebibliography}

\end{document}

