APA (7th ed.) Citation

Collier, R. (1980). 1940 [nineteen-forty]: The world in flames. Penguin.

Chicago Style (17th ed.) Citation

Collier, Richard. 1940 [nineteen-forty]: The World in Flames. Harmondsworth: Penguin, 1980.

MLA (8th ed.) Citation

Collier, Richard. 1940 [nineteen-forty]: The World in Flames. Penguin, 1980.