Cita APA

Lefton, L. A., & Valvatne, L. (1988). Mastering psychology (3rd ed.). Allyn & Bacon.

Citación estilo Chicago

Lefton, Lester A., and Laura Valvatne. Mastering Psychology. 3rd ed. Boston: Allyn & Bacon, 1988.

Cita MLA

Lefton, Lester A., and Laura Valvatne. Mastering Psychology. 3rd ed. Allyn & Bacon, 1988.

Warning: These citations may not always be 100% accurate.