%&LaTeX
\documentclass{article}

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

\begin{document}

\begin{thebibliography}{1}

\bibitem{Navio_etal2012} {\textquotedblleft}\textit{Gold clusters on WO$_{3}$ nanoneedles grown via AACVD : XPS and TEM studies}{\textquotedblright}.  Nav{\'\i}o C, Vallejos S, Stoycheva T, Llobet E, Correig X, Snyders R, Blackman C, Umek P, Ke X, Van Tendeloo G, Bittencourt C;, Materials chemistry and physics \textbf{134}, 809 (2012).   http://doi.org/10.1016/j.matchemphys.2012.03.073

\end{thebibliography}

\end{document}

