%&LaTeX
\documentclass{article}

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

\begin{document}

\begin{thebibliography}{1}

\bibitem{Bultinck_etal2008} {\textquotedblleft}\textit{The importance of an external circuit in a particle-in-cell/Monte Carlo collisions model for a direct current planar magnetron}{\textquotedblright}. Bultinck E, Kolev I, Bogaerts A, Depla D, Journal of applied physics \textbf{103}, 013309 (2008).   http://doi.org/10.1063/1.2828155

\end{thebibliography}

\end{document}

