Cita APA (7th ed.)

Heiden, K. (1939). One Man against Europe. Penguin Books.

Cita Chicago (17th ed.)

Heiden, Konrad. One Man Against Europe. Harmondsworth: Penguin Books, 1939.

Cita MLA (8th ed.)

Heiden, Konrad. One Man Against Europe. Penguin Books, 1939.