APA (7th ed.) Citation

Stenman, K., & Keskinen, K. (2001). Luftwaffe over Finland. Greenhill Books.

Chicago Style (17th ed.) Citation

Stenman, Kari, and Kalevi Keskinen. Luftwaffe over Finland. London: Greenhill Books, 2001.

MLA (8th ed.) Citation

Stenman, Kari, and Kalevi Keskinen. Luftwaffe over Finland. Greenhill Books, 2001.