Citazione Stile APA (7a Edizione)

Glenn, E. C., Glenn, P. J., & Forman, S. H. (1998). Your voice and articulation (4th ed.). Allyn and Bacon.

Citazione stile Chigago Style (17a edizione)

Glenn, Ethel C., Phillip J. Glenn, e Sandra H. Forman. Your Voice and Articulation. 4th ed. Boston: Allyn and Bacon, 1998.

Citatione MLA (9a ed.)

Glenn, Ethel C., et al. Your Voice and Articulation. 4th ed. Allyn and Bacon, 1998.