Cita APA (7a ed.)

Percy, D., & Leunig, M. (1983). Study tactics: A guide to the art of studying. Macmillan.

Cita Chicago Style (17a ed.)

Percy, Diana, y Michael Leunig. Study Tactics: A Guide to the Art of Studying. South Melbourne: Macmillan, 1983.

Cita MLA (9a ed.)

Percy, Diana, y Michael Leunig. Study Tactics: A Guide to the Art of Studying. Macmillan, 1983.