APA (7th ed.) Citation

Gann, H. (1967). The Douglas A-20 (7A to Boston III). [Profile Publications].

Chicago Style (17th ed.) Citation

Gann, Harry. The Douglas A-20 (7A to Boston III). [Leatherhead, Surrey, England]: [Profile Publications], 1967.

MLA (9th ed.) Citation

Gann, Harry. The Douglas A-20 (7A to Boston III). [Profile Publications], 1967.

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