%&LaTeX
\documentclass{article}

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

\begin{document}

\begin{thebibliography}{1}

\bibitem{deWitte_etal2003} {\textquotedblleft}\textit{Ion-bombardment artifact in TOF-SIMS analysis of ZrO$_{2}$/SiO$_{2}$/Si stacks}{\textquotedblright}. de Witte H, Conard T, Vandervorst W, Gijbels R, Applied surface science \textbf{203}, 523 (2003).   http://doi.org/10.1016/S0169-4332(02)00728-6

\end{thebibliography}

\end{document}

