%&LaTeX
\documentclass{article}

\usepackage[utf8]{inputenc}
\usepackage[T1]{fontenc}
\usepackage{textcomp}

\begin{document}

\begin{thebibliography}{1}

\bibitem{Gallardo_etal1990} Gallardo, Varillo, \& Muntada. (1990). \textit{Las nuevas aventuras del t{\'\i}o Elvis : noche de movida}. Barcelona: Universitat de Barcelona, {\'A}rea d{\textquoteright}Antropologia Social; Camins Oberts; Ajuntament de Barcelona, Pla municipal d{\textquoteright}Acci{\'o} sobre drogodepend{\`e}ncies.

\end{thebibliography}

\end{document}

