Cita APA (7th ed.)

Hill, W. F. (1997). Learning: A survey of psychological interpretations (6th ed.). Longman.

Cita Chicago (17th ed.)

Hill, Winfred F. Learning: A Survey of Psychological Interpretations. 6th ed. New York: Longman, 1997.

Cita MLA (9th ed.)

Hill, Winfred F. Learning: A Survey of Psychological Interpretations. 6th ed. Longman, 1997.