Wulff, C., & Wulff, C. (2011). Reden und Interviews.
Chicago Style (17th ed.) CitationWulff, Christian, and Christian Wulff. Reden Und Interviews. Berlin, 2011.
MLA (8th ed.) CitationWulff, Christian, and Christian Wulff. Reden Und Interviews. 2011.
Warning: These citations may not always be 100% accurate.