APA (7th ed.) Citation

Oppenheim, E. P. (1938). The spymaster (1. ed.). Little, Brown.

Chicago Style (17th ed.) Citation

Oppenheim, Edward Phillips. The Spymaster. 1. ed. Boston: Little, Brown, 1938.

MLA (9th ed.) Citation

Oppenheim, Edward Phillips. The Spymaster. 1. ed. Little, Brown, 1938.