%&LaTeX
\documentclass{article}

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

\begin{document}

\begin{thebibliography}{1}

\bibitem{Potgieter-Vermaak_etal2012} {\textquotedblleft}\textit{Degradation potential of airborne particulate matter at the Alhambra monument : a Raman spectroscopic and electron probe X-ray microanalysis study}{\textquotedblright}. Potgieter-Vermaak S, Horemans B, Anaf W, Cardell C, Van Grieken R, Journal of Raman spectroscopy \textbf{43}, 1570 (2012).   http://doi.org/10.1002/JRS.4052

\end{thebibliography}

\end{document}

