Cita APA (7a ed.)

Gall, M. D., Borg, W. R., & Gall, J. P. (2003). Educational research: An introduction (7th ed.). Allyn and Bacon.

Cita Chicago Style (17a ed.)

Gall, Meredith D., Walter R. Borg, y Joyce P. Gall. Educational Research: An Introduction. 7th ed. Boston: Allyn and Bacon, 2003.

Cita MLA (9a ed.)

Gall, Meredith D., et al. Educational Research: An Introduction. 7th ed. Allyn and Bacon, 2003.