Williams, R. (1955). Textbook of Endocrinology (2.ed.). Saunders Company.
Cita Chicago Style (17a ed.)Williams, Robert. Textbook of Endocrinology. 2.ed. Philadelphia: Saunders Company, 1955.
Cita MLA (9a ed.)Williams, Robert. Textbook of Endocrinology. 2.ed. Saunders Company, 1955.
Precaución: Estas citas no son 100% exactas.