APA (7th ed.) Citation

(1999). German bombers over England: 1940 - 1944. Greenhill Books [u.a.].

Chicago Style (17th ed.) Citation

German Bombers over England: 1940 - 1944. London: Greenhill Books [u.a.], 1999.

MLA (9th ed.) Citation

German Bombers over England: 1940 - 1944. Greenhill Books [u.a.], 1999.

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