APA (7th ed.) Citation

Sixsmith. (1970). British generalship in the twentieth century. Arms and Armour Press.

Chicago Style (17th ed.) Citation

Sixsmith. British Generalship in the Twentieth Century. London: Arms and Armour Press, 1970.

MLA (8th ed.) Citation

Sixsmith. British Generalship in the Twentieth Century. Arms and Armour Press, 1970.