APA (7th ed.) Citation

Franks, N. L. R. Fokker D VII aces of World War 1. Osprey Publ.

Chicago Style (17th ed.) Citation

Franks, Norman L. R. Fokker D VII Aces of World War 1. Oxford [u.a.]: Osprey Publ.

MLA (9th ed.) Citation

Franks, Norman L. R. Fokker D VII Aces of World War 1. Osprey Publ.

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