%&LaTeX
\documentclass{article}

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

\begin{document}

\begin{thebibliography}{1}

\bibitem{Sun_etal2017} {\textquotedblleft}\textit{Investigations of discharge and post-discharge in a gliding arc: a 3D computational study}{\textquotedblright}. Sun SR, Kolev S, Wang HX, Bogaerts A, Plasma sources science and technology \textbf{26}, 055017 (2017).   http://doi.org/10.1088/1361-6595/aa670a

\end{thebibliography}

\end{document}

