%&LaTeX
\documentclass{article}

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

\begin{document}

\begin{thebibliography}{10}

\bibitem{Nieves+PavonValderrama2012} Nieves, J., \& Pavon Valderrama, M. (2012). Heavy quark spin symmetry partners of the X(3872). \textit{Phys. Rev. D}, \textit{86}(5), 056004--18pp.

\end{thebibliography}

\end{document}

