APA (7th ed.) Citation

Merrell, K. W., Ervin, R. A., & Gimpel Peacock, G. (2006). School psychology for the 21st century: Foundations and practices. Guilford Press.

Chicago Style (17th ed.) Citation

Merrell, Kenneth W., Ruth A. Ervin, and Gretchen Gimpel Peacock. School Psychology for the 21st Century: Foundations and Practices. New York: Guilford Press, 2006.

MLA (9th ed.) Citation

Merrell, Kenneth W., et al. School Psychology for the 21st Century: Foundations and Practices. Guilford Press, 2006.