%&LaTeX
\documentclass{article}

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

\begin{document}

\begin{thebibliography}{1}

\bibitem{Worobiec_etal2007} {\textquotedblleft}\textit{Characterisation of Amazon Basin aerosols at the individual particle level by X-ray microanalytical techniques}{\textquotedblright}. Worobiec A, Szal{\'o}ki I, Os{\'a}n J, Maenhaut W, Stefaniak EA, Van Grieken R, Atmospheric environment : an international journal \textbf{41}, 9217 (2007).   http://doi.org/10.1016/J.ATMOSENV.2007.07.056

\end{thebibliography}

\end{document}

