Cita APA (7th ed.)

Nelson, J. (2017). The voice exercise book: A guide to healthy and effective voice use. National Theatre Publishing.

Cita Chicago (17th ed.)

Nelson, Jeannette. The Voice Exercise Book: A Guide to Healthy and Effective Voice Use. London: National Theatre Publishing, 2017.

Cita MLA (9th ed.)

Nelson, Jeannette. The Voice Exercise Book: A Guide to Healthy and Effective Voice Use. National Theatre Publishing, 2017.