APA (7th ed.) Citation

Swift, E. H. (1938). Step by step in sex education. Macmillan.

Chicago Style (17th ed.) Citation

Swift, Edith Hale. Step by Step in Sex Education. New York: Macmillan, 1938.

MLA (9th ed.) Citation

Swift, Edith Hale. Step by Step in Sex Education. Macmillan, 1938.