APA (7th ed.) Citation

Sender, R. J., & Mitchell, P. C. (1938). Seven red sundays. Penguin.

Chicago Style (17th ed.) Citation

Sender, Ramon J., and Peter Chalmers Mitchell. Seven Red Sundays. Harmondsworth: Penguin, 1938.

MLA (8th ed.) Citation

Sender, Ramon J., and Peter Chalmers Mitchell. Seven Red Sundays. Penguin, 1938.