Cita APA (7a ed.)

Collier, R. (1980). 1940, the world in flames. Penguin.

Cita Chicago Style (17a ed.)

Collier, Richard. 1940, the World in Flames. Harmondsworth: Penguin, 1980.

Cita MLA (9a ed.)

Collier, Richard. 1940, the World in Flames. Penguin, 1980.