APA (7th ed.) Citation

Caidin, M. (2001). The B-17: The flying forts. ibooks.

Chicago Style (17th ed.) Citation

Caidin, Martin. The B-17: The Flying Forts. New York [u.a.]: ibooks, 2001.

MLA (9th ed.) Citation

Caidin, Martin. The B-17: The Flying Forts. ibooks, 2001.

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