Cita APA (7a ed.)

Colton, R. H., Casper, J. K., & Leonard, R. (2011). Understanding voice problems: A physiological perspective for diagnosis and treatment (4th ed.). Wolters Kluwer Health/Lippincott William & Wilkins.

Cita Chicago Style (17a ed.)

Colton, Raymond H., Janina K. Casper, y Rebecca Leonard. Understanding Voice Problems: A Physiological Perspective for Diagnosis and Treatment. 4th ed. Philadelphia [etc.]: Wolters Kluwer Health/Lippincott William & Wilkins, 2011.

Cita MLA (9a ed.)

Colton, Raymond H., et al. Understanding Voice Problems: A Physiological Perspective for Diagnosis and Treatment. 4th ed. Wolters Kluwer Health/Lippincott William & Wilkins, 2011.