APA (7th ed.) Citation

Irwin, J. V. (1972). Disorders of articulation. Bobbs-Merrill.

Chicago Style (17th ed.) Citation

Irwin, John V. Disorders of Articulation. Indianapolis: Bobbs-Merrill, 1972.

MLA (8th ed.) Citation

Irwin, John V. Disorders of Articulation. Bobbs-Merrill, 1972.