%&LaTeX
\documentclass{article}

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

\begin{document}

\begin{thebibliography}{1}

\bibitem{Mishra_etal2001} {\textquotedblleft}\textit{Evidence for another low-temperature phase transition in tetragonal Pb(Zr$_{x}$Ti$_{1-x}$)O$_{3}$ (x=0.515,0.520)}{\textquotedblright}. Mishra RSK, Pandey D, Lemmens H, Van Tendeloo G, Physical review : B : condensed matter and materials physics \textbf{64}, 054104 (2001).   http://doi.org/10.1103/PhysRevB.64.054101

\end{thebibliography}

\end{document}

