%&LaTeX
\documentclass{article}

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

\begin{document}

\begin{thebibliography}{1}

\bibitem{Duan_etal2004} {\textquotedblleft}\textit{Scheme for the generation of entangled atomic state in cavity QED}{\textquotedblright}. Duan ZL, Chen ZY, Zhang JT, Feng XL, Xu ZZ, European physical journal : D : atomic, molecular and optical physics \textbf{30}, 275 (2004).   http://doi.org/10.1140/epjd/e2004-00086-2

\end{thebibliography}

\end{document}

