APA (7th ed.) Citation

Morrell, S. (1946). Spheres of influence. Duell, Sloan and Pearce.

Chicago Style (17th ed.) Citation

Morrell, Sydney. Spheres of Influence. New York: Duell, Sloan and Pearce, 1946.

MLA (9th ed.) Citation

Morrell, Sydney. Spheres of Influence. Duell, Sloan and Pearce, 1946.

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