APA (7th ed.) Citation

Gall, J. P., Gall, M. D., & Borg, W. R. (1999). Applying educational research: A practical guide (4th ed.). Longman.

Chicago Style (17th ed.) Citation

Gall, Joyce P., Meredith D. Gall, and Walter R. Borg. Applying Educational Research: A Practical Guide. 4th ed. New York: Longman, 1999.

MLA (9th ed.) Citation

Gall, Joyce P., et al. Applying Educational Research: A Practical Guide. 4th ed. Longman, 1999.