APA (7th ed.) Citation

Knopp & McGeoch. (2000). Hitler's hitmen. Sutton Publishing.

Chicago Style (17th ed.) Citation

Knopp and McGeoch. Hitler's Hitmen. England: Sutton Publishing, 2000.

MLA (8th ed.) Citation

Knopp and McGeoch. Hitler's Hitmen. Sutton Publishing, 2000.

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