%&LaTeX
\documentclass{article}

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

\begin{document}

\begin{thebibliography}{1}

\bibitem{Cayado_etal2015} {\textquotedblleft}\textit{Epitaxial YBa$_{2}$Cu$_{3}$O$_{7-\textit{x}}$nanocomposite thin films from colloidal solutions}{\textquotedblright}. Cayado P, De Keukeleere K, Garz{\'o}n A, Perez-Mirabet L, Meledin A, De Roo J, Vall{\'e}s F, Mundet B, Rijckaert H, Pollefeyt G, Coll M, Ricart S, Palau A, G{\'a}zquez J, Ros J, Van Tendeloo G, Van Driessche I, Puig T, Obradors X, Superconductor science and technology \textbf{28}, 124007 (2015).   http://doi.org/10.1088/0953-2048/28/12/124007

\end{thebibliography}

\end{document}

