Cita APA (7a ed.)

Massengill, R. (1972). Hypernasality: Considerations in causes and treatment procedures. Thomas.

Cita Chicago Style (17a ed.)

Massengill, Raymond. Hypernasality: Considerations in Causes and Treatment Procedures. Springfield, IL: Thomas, 1972.

Cita MLA (9a ed.)

Massengill, Raymond. Hypernasality: Considerations in Causes and Treatment Procedures. Thomas, 1972.