APA (7th ed.) Citation

Held, W., & Obermaier, E. (1992). The Luftwaffe in the North African campaign, 1941-1943: A photo chronicle. Schiffer Publishing.

Chicago Style (17th ed.) Citation

Held, Werner, and Ernst Obermaier. The Luftwaffe in the North African Campaign, 1941-1943: A Photo Chronicle. West Chester, PA: Schiffer Publishing, 1992.

MLA (9th ed.) Citation

Held, Werner, and Ernst Obermaier. The Luftwaffe in the North African Campaign, 1941-1943: A Photo Chronicle. Schiffer Publishing, 1992.