APA (7th ed.) Citation

Perkins, W. H. (1977). Speech pathology: An applied behavioral science (2. ed.). Mosby.

Chicago Style (17th ed.) Citation

Perkins, William H. Speech Pathology: An Applied Behavioral Science. 2. ed. Saint Louis, Mo: Mosby, 1977.

MLA (9th ed.) Citation

Perkins, William H. Speech Pathology: An Applied Behavioral Science. 2. ed. Mosby, 1977.