Cita APA (7th ed.)

Williams, R. (1955). Textbook of Endocrinology (2.ed.). Saunders Company.

Cita Chicago (17th ed.)

Williams, Robert. Textbook of Endocrinology. 2.ed. Philadelphia: Saunders Company, 1955.

Cita MLA (9th ed.)

Williams, Robert. Textbook of Endocrinology. 2.ed. Saunders Company, 1955.