Lüdtke, A. (2012). History of concepts, new edition: Suitable for a better understanding of modern times? / Alf Lüdtke. Contributions to the history of concepts.
Chicago-Zitierstil (17. Ausg.)Lüdtke, Alf. "History of Concepts, New Edition: Suitable for a Better Understanding of Modern Times? / Alf Lüdtke." Contributions to the History of Concepts 2012.
MLA-Zitierstil (8. Ausg.)Lüdtke, Alf. "History of Concepts, New Edition: Suitable for a Better Understanding of Modern Times? / Alf Lüdtke." Contributions to the History of Concepts, 2012.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.