Cita APA (7th ed.)

Gage, N. L., & Berliner, D. C. (1988). Educational Psychology (4a. ed.). Houghton Mifflin.

Cita Chicago (17th ed.)

Gage, N. L., i David C. Berliner. Educational Psychology. 4a. ed. Boston: Houghton Mifflin, 1988.

Cita MLA (9th ed.)

Gage, N. L., i David C. Berliner. Educational Psychology. 4a. ed. Houghton Mifflin, 1988.