APA (7th ed.) Citation

Fowler. (2006). Barbarossa: Nazi Germany's 1941 invasion of the soviet union. Sandcastle Books.

Chicago Style (17th ed.) Citation

Fowler. Barbarossa: Nazi Germany's 1941 Invasion of the Soviet Union. UK: Sandcastle Books, 2006.

MLA (8th ed.) Citation

Fowler. Barbarossa: Nazi Germany's 1941 Invasion of the Soviet Union. Sandcastle Books, 2006.

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