%&LaTeX
\documentclass{article}

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

\begin{document}

\begin{thebibliography}{1}

\bibitem{Torfs+VanGrieken1997} {\textquotedblleft}\textit{Chemical relations between atmospheric aerosols, deposition and stone decay layers on historic buildings at the Mediterranean coast}{\textquotedblright}. Torfs K, Van Grieken R, Atmospheric environment : an international journal \textbf{31}, 2179 (1997)

\end{thebibliography}

\end{document}

