Kingsley, H. L. (1957). The nature and conditions of learning (2. ed.). Prentice-Hall.
Chicago Style (17th ed.) CitationKingsley, Howard L. The Nature and Conditions of Learning. 2. ed. Englewood Cliffs: Prentice-Hall, 1957.
MLA (9th ed.) CitationKingsley, Howard L. The Nature and Conditions of Learning. 2. ed. Prentice-Hall, 1957.