APA (7th ed.) Citation

McCormick, L., & Schiefelbusch, R. L. (1985). Early language intervention: An introduction. Merrill.

Chicago Style (17th ed.) Citation

McCormick, Linda, and Richard L. Schiefelbusch. Early Language Intervention: An Introduction. Columbus, Ohio u.a: Merrill, 1985.

MLA (9th ed.) Citation

McCormick, Linda, and Richard L. Schiefelbusch. Early Language Intervention: An Introduction. Merrill, 1985.