APA (7th ed.) Citation

Snow, C. P., Margenau, H., & Dubos, R. J. (1968). Guide to science. Time.

Chicago Style (17th ed.) Citation

Snow, C. P., Henry Margenau, and René J. Dubos. Guide to Science. Amsterdam: Time, 1968.

MLA (8th ed.) Citation

Snow, C. P., et al. Guide to Science. Time, 1968.