\documentclass{scrreprt}
\usepackage{ucs}
\usepackage[latin1]{inputenc}
\usepackage{scrhack}
\usepackage[T1]{fontenc}
\usepackage[ngerman]{babel}
\usepackage[square,
numbers]{natbib}
\begin{document}
\selectlanguage{ngerman}
\citeauthor{Pacher2009} soll hier als >>G. Pacher<< zitiert werden.
\bibliographystyle{unsrtnat}
\bibliography{Bibliography}
\end{document}@MASTERSTHESIS{Pacher2009,
author = {Pacher, Gernot},
title = {On the evaluation of the visual impact of sink marks of injection
molded parts},
school = {Montanuniversität Leoben},
year = {2009},
address = {Leoben, Austria},
month = {August},
owner = {DieHaba},
timestamp = {2010.04.21}
}Kann mir jemand helfen?

