Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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