%&LaTeX
\documentclass{article}

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

\begin{document}

\begin{thebibliography}{1}

\bibitem{Beche_etal2017} {\textquotedblleft}\textit{Efficient creation of electron vortex beams for high resolution STEM imaging}{\textquotedblright}. B{\'e}ch{\'e} A, Juchtmans R, Verbeeck J, Ultramicroscopy \textbf{178}, 12 (2017).   http://doi.org/10.1016/j.ultramic.2016.05.006

\end{thebibliography}

\end{document}

