Cita APA (7a ed.)

Youmans, J. R. (1990). Neurological surgery: A comprehensive reference guide to the diagnosis and management of neurosurgical problems (3rd ed.). Saunders.

Cita Chicago Style (17a ed.)

Youmans, Julian R. Neurological Surgery: A Comprehensive Reference Guide to the Diagnosis and Management of Neurosurgical Problems. 3rd ed. Philadelphia [etc.]: Saunders, 1990.

Cita MLA (9a ed.)

Youmans, Julian R. Neurological Surgery: A Comprehensive Reference Guide to the Diagnosis and Management of Neurosurgical Problems. 3rd ed. Saunders, 1990.