APA Style

Becker, K, L., Becker, K, L. (2001). Principles and practice of endocrinology and metabolism (3rd ed.). Philadelphia :: Lippincott Williams and Wilkins,.

MLA Style

Becker, Kenneth, L., Becker, Kenneth, L.. "Principles and practice of endocrinology and metabolism". 3rd ed. Philadelphia :: Lippincott Williams and Wilkins,, 2001. Text.