APA (7th ed.) Citation

Caygill, P. (2008). The Biggin Hill Wing, 1941: From defence to attack (1. publ.). Pen & Sword Aviation.

Chicago Style (17th ed.) Citation

Caygill, Peter. The Biggin Hill Wing, 1941: From Defence to Attack. 1. publ. Barnsley: Pen & Sword Aviation, 2008.

MLA (9th ed.) Citation

Caygill, Peter. The Biggin Hill Wing, 1941: From Defence to Attack. 1. publ. Pen & Sword Aviation, 2008.

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