APA (7th ed.) Citation

Perkins, W. H. (1978). Human perspectives in speech and language diserders. The C. V. Mosby Comp.

Chicago Style (17th ed.) Citation

Perkins, William H. Human Perspectives in Speech and Language Diserders. The C. V. Mosby Comp, 1978.

MLA (8th ed.) Citation

Perkins, William H. Human Perspectives in Speech and Language Diserders. The C. V. Mosby Comp, 1978.

Warning: These citations may not always be 100% accurate.