APA (7th ed.) Citation

Cook, T. (2014). The necessary war: Canadians fighting in the second world war 1939-1943. Penguin Books.

Chicago Style (17th ed.) Citation

Cook, Tim. The Necessary War: Canadians Fighting in the Second World War 1939-1943. Toronto: Penguin Books, 2014.

MLA (9th ed.) Citation

Cook, Tim. The Necessary War: Canadians Fighting in the Second World War 1939-1943. Penguin Books, 2014.

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