APA (7th ed.) Citation

Watt, D. C. (1989). How war came: The immediate origins of the Second World War, 1938-1939 (1. publ.). Heinemann.

Chicago Style (17th ed.) Citation

Watt, Donald C. How War Came: The Immediate Origins of the Second World War, 1938-1939. 1. publ. London: Heinemann, 1989.

MLA (9th ed.) Citation

Watt, Donald C. How War Came: The Immediate Origins of the Second World War, 1938-1939. 1. publ. Heinemann, 1989.

Warning: These citations may not always be 100% accurate.