APA (7th ed.) Citation

Dorr, R. F. (1989). US bombers of World War Two. Arms and Armour.

Chicago Style (17th ed.) Citation

Dorr, Robert F. US Bombers of World War Two. London: Arms and Armour, 1989.

MLA (9th ed.) Citation

Dorr, Robert F. US Bombers of World War Two. Arms and Armour, 1989.