APA (7th ed.) Citation

Ethell. (1997). Blitzkrieg in the west;1939-1942. Green Hill Books.

Chicago Style (17th ed.) Citation

Ethell. Blitzkrieg in the West;1939-1942. London: Green Hill Books, 1997.

MLA (8th ed.) Citation

Ethell. Blitzkrieg in the West;1939-1942. Green Hill Books, 1997.

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