APA (7th ed.) Citation

Unger, W., & Kretz, P. (2019). Perryworld: Perry Kretz, war photographer. Sturm & Drang.

Chicago Style (17th ed.) Citation

Unger, Walter, and Perry Kretz. Perryworld: Perry Kretz, War Photographer. Zürich: Sturm & Drang, 2019.

MLA (9th ed.) Citation

Unger, Walter, and Perry Kretz. Perryworld: Perry Kretz, War Photographer. Sturm & Drang, 2019.

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