APA (7th ed.) Citation

Willmott, H. P., & Keegan, J. (1999). The Second World War in the East. Cassell.

Chicago Style (17th ed.) Citation

Willmott, H. P., and John Keegan. The Second World War in the East. London: Cassell, 1999.

MLA (9th ed.) Citation

Willmott, H. P., and John Keegan. The Second World War in the East. Cassell, 1999.