APA (7th ed.) Citation

Gregory, G. (2012). What principals need to know about differentiated instruction (Second edition.). Solution Tree Press.

Chicago Style (17th ed.) Citation

Gregory, Gayle. What Principals Need to Know About Differentiated Instruction. Second edition. Bloomington, IN: Solution Tree Press, 2012.

MLA (9th ed.) Citation

Gregory, Gayle. What Principals Need to Know About Differentiated Instruction. Second edition. Solution Tree Press, 2012.