%&LaTeX
\documentclass{article}

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

\begin{document}

\begin{thebibliography}{1}

\bibitem{FradejasLebrero1994} Fradejas Lebrero, J. (1994). Cazar aves con lumbre (m{\'a}s antiguo a{\'u}n). \textit{Celestinesca}, 18 (1), 75--78.

\end{thebibliography}

\end{document}

