Cita APA (7a ed.)

Fenton, N. E., & Popenoe, P. (1935). Twenty-five years of eugenic sterilization. California Bureau of Juvenile Research.

Cita Chicago Style (17a ed.)

Fenton, Norman E., y Paul Popenoe. Twenty-five Years of Eugenic Sterilization. Claremont, Calif: California Bureau of Juvenile Research, 1935.

Cita MLA (8a ed.)

Fenton, Norman E., y Paul Popenoe. Twenty-five Years of Eugenic Sterilization. California Bureau of Juvenile Research, 1935.