APA (7th ed.) Citation

Philpott, I. M. (2008). The Royal Air Force: An encyclopedia of the inter-war years. Pen & Sword Aviation.

Chicago Style (17th ed.) Citation

Philpott, I. M. The Royal Air Force: An Encyclopedia of the Inter-war Years. South Yorkshire, England: Pen & Sword Aviation, 2008.

MLA (9th ed.) Citation

Philpott, I. M. The Royal Air Force: An Encyclopedia of the Inter-war Years. Pen & Sword Aviation, 2008.