APA (7th ed.) Citation

Snow, C. P. (1981). The physicists (1st American ed.). Little, Brown.

Chicago Style (17th ed.) Citation

Snow, C. P. The Physicists. 1st American ed. Boston: Little, Brown, 1981.

MLA (9th ed.) Citation

Snow, C. P. The Physicists. 1st American ed. Little, Brown, 1981.