APA (7th ed.) Citation

Guyon, R., Flugel, J. C., Flugel, I. K., & Haire, N. (1941). The ethics of sexual acts. Blue Ribbon Books.

Chicago Style (17th ed.) Citation

Guyon, Rene, J. C. Flugel, Ingeborg Klingberg Flugel, and Norman Haire. The Ethics of Sexual Acts. Garden City, N. Y.: Blue Ribbon Books, 1941.

MLA (9th ed.) Citation

Guyon, Rene, et al. The Ethics of Sexual Acts. Blue Ribbon Books, 1941.