Cita APA (7a ed.)

Sailer, R. (1931). Happiness self-estimates of young men. Columbia University.

Cita Chicago Style (17a ed.)

Sailer, Randolph. Happiness Self-estimates of Young Men. New York: Columbia University, 1931.

Cita MLA (8a ed.)

Sailer, Randolph. Happiness Self-estimates of Young Men. Columbia University, 1931.