%&LaTeX
\documentclass{article}

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

\begin{document}

\begin{thebibliography}{1}

\bibitem{Olmo+Rubiera-Garcia2011} Olmo, G. J., \& Rubiera-Garcia, D. (2011). Palatini f(R) black holes in nonlinear electrodynamics. \textit{Phys. Rev. D}, \textit{84}(12), 124059--14pp.

\end{thebibliography}

\end{document}

