APA Style

Williams, R, H., Larsen, P, R. (2003). Williams textbook of endocrinology. (10th ed.). Philadelphia, Pa. :: Saunders,.

MLA Style

Williams, Robert, Hardin.., Larsen, P., Reed.. "Williams textbook of endocrinology.". 10th ed. Philadelphia, Pa. :: Saunders,, 2003. Text.