APA (7th ed.) Citation

Glenn, E. C., Glenn, P. J., & Forman, S. H. (1989). Your voice and articulation (2nd ed.). Prentice Hall.

Chicago Style (17th ed.) Citation

Glenn, Ethel C., Phillip J. Glenn, and Sandra H. Forman. Your Voice and Articulation. 2nd ed. Englewood Cliffs, N.J.: Prentice Hall, 1989.

MLA (9th ed.) Citation

Glenn, Ethel C., et al. Your Voice and Articulation. 2nd ed. Prentice Hall, 1989.