APA (7th ed.) Citation

Oppenheim, E. P. (1918). The double traitor. Hodder and Stoughton.

Chicago Style (17th ed.) Citation

Oppenheim, E. Phillips. The Double Traitor. London: Hodder and Stoughton, 1918.

MLA (9th ed.) Citation

Oppenheim, E. Phillips. The Double Traitor. Hodder and Stoughton, 1918.

Warning: These citations may not always be 100% accurate.