APA (7th ed.) Citation

Crystal, D., & Varley, R. (2001). Introduction to language pathology (4th ed. ; repr.). Whurr Publ.

Chicago Style (17th ed.) Citation

Crystal, David, and Rosemary Varley. Introduction to Language Pathology. 4th ed. ; repr. London: Whurr Publ, 2001.

MLA (9th ed.) Citation

Crystal, David, and Rosemary Varley. Introduction to Language Pathology. 4th ed. ; repr. Whurr Publ, 2001.