MLA

Levin, Nathaniel Martin, and Mary E Switzer. Voice and Speech Disorders: Medical Aspects : with Sections On Otology, Audiology and Surgery of Head and Neck. Springfield, Ill.: Thomas, 1962.

APA

Levin, N. Martin, & Switzer, M. E. (1962). Voice and speech disorders: medical aspects : with sections on otology, audiology and surgery of head and neck. Springfield, Ill.: Thomas.

Chicago

Switzer, Mary E., Voice and Speech Disorders: Medical Aspects: With Sections On Otology, Audiology and Surgery of Head and Neck. Edited by Nathaniel Martin Levin. Springfield, Ill.: Thomas, 1962.