APA (7th ed.) Citation

(1991). Aces & airplanes of World War I. Bellerophon Books.

Chicago Style (17th ed.) Citation

Aces & Airplanes of World War I. Santa Barbara, Calif: Bellerophon Books, 1991.

MLA (9th ed.) Citation

Aces & Airplanes of World War I. Bellerophon Books, 1991.

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