%&LaTeX
\documentclass{article}

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

\begin{document}

\begin{thebibliography}{1}

\bibitem{Liu_etal2011} {\textquotedblleft}\textit{Tuning of anisotropy in two-electron quantum dots by spin-orbit interactions}{\textquotedblright}. Liu Y, Cheng F, Li XJ, Peeters FM, Chang K, Applied physics letters \textbf{99}, 032102 (2011).   http://doi.org/10.1063/1.3610961

\end{thebibliography}

\end{document}

