APA (7e ed.) Bronvermelding

Kingsley, H. L. (1957). The nature and conditions of learning (2d ed.). Prentice-Hall.

Chicago (17e ed.) Bronvermelding

Kingsley, Howard L. The Nature and Conditions of Learning. 2d ed. Englewood Cliffs: Prentice-Hall, 1957.

MLA (9e ed.) Bronvermelding

Kingsley, Howard L. The Nature and Conditions of Learning. 2d ed. Prentice-Hall, 1957.