\documentclass{article} \usepackage[german]{babel} \usepackage[numbers,sort&compress]{natbib} \usepackage{hyperref} \usepackage{times} \begin{document} In addition, this theory---that of the German sociologist Niklas Luhmann---is one of the most (if not the most) powerful contemporary general sociological theories \citep{luhm:DoS,Luhm:Soc&int,luhm:WrtdG}. Therefore, in the rest of this section, rather than making an eclectic use of different social theories, I briefly present portions of Luhmann's theory. \begin{thebibliography}{3} \expandafter\ifx\csname natexlab\endcsname\relax\def\natexlab#1{#1}\fi \bibitem[Luhmann(1982)]{luhm:DoS} Niklas Luhmann. \newblock {\em The Differentiation of Society}. \newblock New York: Columbia University Press, 1982. \bibitem[Luhmann(1987)]{Luhm:Soc&int} Niklas Luhmann. \newblock The evolutionary differentiation between society and interaction. \newblock In Jeffrey~C. Alexander, Bernhard Giesen, Richard Muench, and Neil~J. Smelser, editors, {\em The Micro-Macro Link}, pages 112--31. Berkeley: University of California Press, 1987. \bibitem[Luhmann(1988)]{luhm:WrtdG} Niklas Luhmann. \newblock {\em Die Wirtschaft der Gesellschaft}. \newblock Frankfurt am Main: Suhrkamp, 1988. \end{thebibliography} \end{document} \usepackage [%linkcolor=yellow, citecolor=yellow, citebordercolor={.5 .5 0}, pdftitle={Testing natbib and hyperref}, pdfauthor={SPQR and PWD}, pdfsubject={Dummy stuff}, pdfkeywords=Luhmann, % pdfstartview=/FitB, pdfpagemode=UseThumbs ] {hyperref}