%&LaTeX
\documentclass{article}

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

\begin{document}

\begin{thebibliography}{1}

\bibitem{Guttmann_etal2012} {\textquotedblleft}\textit{Nanoscale spectroscopy with polarized X-rays by NEXAFS-TXM}{\textquotedblright}. Guttmann P, Bittencourt C, Rehbein S, Umek P, Ke X, Van Tendeloo G, Ewels CP, Schneider G, Nature photonics \textbf{6}, 25 (2012).   http://doi.org/10.1038/NPHOTON.2011.268

\end{thebibliography}

\end{document}

