Cita APA (7a ed.)

Spear, I. J. (1920). A manual of nervous diseases. W.B. Saunders.

Cita Chicago Style (17a ed.)

Spear, Irving J. A Manual of Nervous Diseases. Philadelphia: W.B. Saunders, 1920.

Cita MLA (8a ed.)

Spear, Irving J. A Manual of Nervous Diseases. W.B. Saunders, 1920.