APA (7th ed.) Citation

Popenker. (2011). Sub-Machine Gun: The development of sub-machine guns and their ammunition from World War 1 to the present day. Crowood.

Chicago Style (17th ed.) Citation

Popenker. Sub-Machine Gun: The Development of Sub-machine Guns and Their Ammunition from World War 1 to the Present Day. Ramsbury: Crowood, 2011.

MLA (8th ed.) Citation

Popenker. Sub-Machine Gun: The Development of Sub-machine Guns and Their Ammunition from World War 1 to the Present Day. Crowood, 2011.