%&LaTeX
\documentclass{article}

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

\begin{document}

\begin{thebibliography}{1}

\bibitem{Ranjan_etal2001} {\textquotedblleft}\textit{Evolution of crystallographic phases in (Sr$_{1-x}$Ca$_{x}$)TiO$_{3}$ with composition (x)}{\textquotedblright}. Ranjan R, Pandey D, Schuddinck W, Richard O, De Meulenaere P, van Landuyt J, Van Tendeloo G, Journal of solid state chemistry \textbf{162}, 20 (2001).   http://doi.org/10.1006/jssc.2001.9336

\end{thebibliography}

\end{document}

