Cita APA (7a ed.)

Radionoff, S. L. (2008). The vocal instrument. Plural Pub..

Cita Chicago Style (17a ed.)

Radionoff, Sharon L. The Vocal Instrument. San Diego, CA: Plural Pub., 2008.

Cita MLA (9a ed.)

Radionoff, Sharon L. The Vocal Instrument. Plural Pub., 2008.