APA (7th ed.) Citation

Knopp, G. (2008). Leni Riefenstahl.

Chicago Style (17th ed.) Citation

Knopp, Guido. Leni Riefenstahl. 2008.

MLA (9th ed.) Citation

Knopp, Guido. Leni Riefenstahl. 2008.

Warning: These citations may not always be 100% accurate.