Cita APA (7th ed.)

Boone, D. R., & McFarlane, S. C. (1994). The voice and voice therapy (5th ed.). Prentice Hall.

Cita Chicago (17th ed.)

Boone, Daniel R., i Stephen C. McFarlane. The Voice and Voice Therapy. 5th ed. Englewood Cliffs, N.J: Prentice Hall, 1994.

Cita MLA (9th ed.)

Boone, Daniel R., i Stephen C. McFarlane. The Voice and Voice Therapy. 5th ed. Prentice Hall, 1994.