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.) CitationForel, 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.) CitationForel, 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.