%&LaTeX
\documentclass{article}

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

\begin{document}

\begin{thebibliography}{1}

\bibitem{Egoavil_etal2013} {\textquotedblleft}\textit{Atomic scale investigation of a PbTiO$_{3}$/SrRuO$_{3}$/DyScO$_{3}$ heterostructure}{\textquotedblright}. Egoavil R, Tan H, Verbeeck J, Bals S, Smith B, Kuiper B, Rijnders G, Koster G, Van Tendeloo G, Applied physics letters \textbf{102}, 223106 (2013).   http://doi.org/10.1063/1.4809597

\end{thebibliography}

\end{document}

