APA (7th ed.) Citation

Forel, A., & Marshall, C. (1927). The sexual question: A scientific, psychological, hygienic and sociological study (Revised edition.). Physicians and Surgeons Book Company.

Chicago Style (17th ed.) Citation

Forel, Auguste, and C.F Marshall. The Sexual Question: A Scientific, Psychological, Hygienic and Sociological Study. Revised edition. Brooklyn, New York: Physicians and Surgeons Book Company, 1927.

MLA (9th ed.) Citation

Forel, Auguste, and C.F Marshall. The Sexual Question: A Scientific, Psychological, Hygienic and Sociological Study. Revised edition. Physicians and Surgeons Book Company, 1927.

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