APA (7th ed.) Citation

Forty. (2012). World War I and II tanks: An illustrated A-Z directory of tanks, AFVs, tank destroyers, command versions and specialized tanks from 1916-45. Southwater.

Chicago Style (17th ed.) Citation

Forty. World War I and II Tanks: An Illustrated A-Z Directory of Tanks, AFVs, Tank Destroyers, Command Versions and Specialized Tanks from 1916-45. London: Southwater, 2012.

MLA (8th ed.) Citation

Forty. World War I and II Tanks: An Illustrated A-Z Directory of Tanks, AFVs, Tank Destroyers, Command Versions and Specialized Tanks from 1916-45. Southwater, 2012.