APA (7th ed.) Citation

Franks, N. L. R. (2005). Sopwith Pup aces of World War I (1. publ. in Great Britain.). Osprey.

Chicago Style (17th ed.) Citation

Franks, Norman L. R. Sopwith Pup Aces of World War I. 1. publ. in Great Britain. Oxford: Osprey, 2005.

MLA (9th ed.) Citation

Franks, Norman L. R. Sopwith Pup Aces of World War I. 1. publ. in Great Britain. Osprey, 2005.

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