Gründgens, G., & Simon, D. (1997). Gustaf Gründgens. WDR.
Chicago Style (17th ed.) CitationGründgens, Gustaf, and Detlef Simon. Gustaf Gründgens. [Köln]: WDR, 1997.
MLA (9th ed.) CitationGründgens, Gustaf, and Detlef Simon. Gustaf Gründgens. WDR, 1997.
Warning: These citations may not always be 100% accurate.