Cita APA (7a ed.)

Kingsley, H. L. (1946). The nature and conditions of learning. Prentice-Hall.

Cita Chicago Style (17a ed.)

Kingsley, Howard L. The Nature and Conditions of Learning. New York: Prentice-Hall, 1946.

Cita MLA (9a ed.)

Kingsley, Howard L. The Nature and Conditions of Learning. Prentice-Hall, 1946.