APA (7th ed.) Citation

Lerrigo, M. O., & Southard, H. (1961). Sex education series. s.n.

Chicago Style (17th ed.) Citation

Lerrigo, Marion Olive, and Helen Southard. Sex Education Series. Chicago: s.n, 1961.

MLA (9th ed.) Citation

Lerrigo, Marion Olive, and Helen Southard. Sex Education Series. s.n, 1961.