APA (7th ed.) Citation

Nelson, W. E., Vaughan, V. C., & McKay, R. J. (1969). Textbook of Pediatrics (9th ed.). Saunders.

Chicago Style (17th ed.) Citation

Nelson, Waldo E., Victor C. Vaughan, and R. James McKay. Textbook of Pediatrics. 9th ed. Philadelphia: Saunders, 1969.

MLA (9th ed.) Citation

Nelson, Waldo E., et al. Textbook of Pediatrics. 9th ed. Saunders, 1969.