APA (7th ed.) Citation

Werskey & Emsley. (1973). War in our own day. Open University Press.

Chicago Style (17th ed.) Citation

Werskey and Emsley. War in Our Own Day. Milton Keynes: Open University Press, 1973.

MLA (8th ed.) Citation

Werskey and Emsley. War in Our Own Day. Open University Press, 1973.