APA (7th ed.) Citation

Christley & Bryan. (2006). US submarines 1941-45. Osprey Publication.

Chicago Style (17th ed.) Citation

Christley and Bryan. US Submarines 1941-45. Oxford: Osprey Publication, 2006.

MLA (8th ed.) Citation

Christley and Bryan. US Submarines 1941-45. Osprey Publication, 2006.

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