APA (7th ed.) Citation

Duffy, J. R. (2013). Motor speech disorders: Substrates, differential diagnosis, and management (3. ed.). Elsevier.

Chicago Style (17th ed.) Citation

Duffy, Joseph R. Motor Speech Disorders: Substrates, Differential Diagnosis, and Management. 3. ed. St. Louis, Mo: Elsevier, 2013.

MLA (9th ed.) Citation

Duffy, Joseph R. Motor Speech Disorders: Substrates, Differential Diagnosis, and Management. 3. ed. Elsevier, 2013.