%&LaTeX
\documentclass{article}

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

\begin{document}

\begin{thebibliography}{1}

\bibitem{Godoi_etal2009} {\textquotedblleft}\textit{Determination of BTEX by GCMS in air of offset printing plants: comparison between conventional and ecological inks}{\textquotedblright}. Godoi AFL, Sawada EY, de Marchi MRR, Van Grieken R, Godoi RHM, Water, air, and soil pollution : focus \textbf{9}, 163 (2009).   http://doi.org/10.1007/S11267-009-9219-9

\end{thebibliography}

\end{document}

