APA (7th ed.) Citation

Bowman, M. W. (2010). US 9th Air Force bases in Essex: 1943 - 44 (1. publ.). Pen & Sword Aviation.

Chicago Style (17th ed.) Citation

Bowman, Martin W. US 9th Air Force Bases in Essex: 1943 - 44. 1. publ. Barnsley: Pen & Sword Aviation, 2010.

MLA (9th ed.) Citation

Bowman, Martin W. US 9th Air Force Bases in Essex: 1943 - 44. 1. publ. Pen & Sword Aviation, 2010.

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