APA (7th ed.) Citation

Gwynn, S. (1939). Captain Scott (1a. ed.). Penguin Books Ltd.

Chicago Style (17th ed.) Citation

Gwynn, Stephen. Captain Scott. 1a. ed. Londres: Penguin Books Ltd, 1939.

MLA (9th ed.) Citation

Gwynn, Stephen. Captain Scott. 1a. ed. Penguin Books Ltd, 1939.