%&LaTeX
\documentclass{article}

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

\begin{document}

\begin{thebibliography}{1}

\bibitem{Zarenia_etal2014} {\textquotedblleft}\textit{Enhancement of electron-hole superfluidity in double few-layer graphene}{\textquotedblright}. Zarenia M, Perali A, Neilson D, Peeters FM, Scientific reports \textbf{4}, 7319 (2014).   http://doi.org/10.1038/srep07319

\end{thebibliography}

\end{document}

