Cita APA (7a ed.)

Stevenson, L. F. (1981). The study of human nature. Oxford University Press.

Cita Chicago Style (17a ed.)

Stevenson, Leslie Forster. The Study of Human Nature. New York ; Oxford: Oxford University Press, 1981.

Cita MLA (9a ed.)

Stevenson, Leslie Forster. The Study of Human Nature. Oxford University Press, 1981.