Cita APA

Gage, N. L., & Berlinger, D. C. (1988). Educational psychology (4th ed.). Houghton Mifflin.

Citación estilo Chicago

Gage, N. L., and David C. Berlinger. Educational Psychology. 4th ed. Boston: Houghton Mifflin, 1988.

Cita MLA

Gage, N. L., and David C. Berlinger. Educational Psychology. 4th ed. Houghton Mifflin, 1988.