APA (7th ed.) Citation

Lerrigo, M. O., & Southard, H. (1955). Sex education series. s.n.

Chicago Style (17th ed.) Citation

Lerrigo, Marion Olive, and Helen Southard. Sex Education Series. [Chicago: s.n, 1955.

MLA (9th ed.) Citation

Lerrigo, Marion Olive, and Helen Southard. Sex Education Series. s.n, 1955.