APA (7th ed.) Citation

Williams, P. L., Wendell-Smith, C. P., & Treadgold, S. (1966). Basic human embryology. Pitman Medical.

Chicago Style (17th ed.) Citation

Williams, Peter L., Colin P. Wendell-Smith, and Sylvia Treadgold. Basic Human Embryology. London: Pitman Medical, 1966.

MLA (9th ed.) Citation

Williams, Peter L., et al. Basic Human Embryology. Pitman Medical, 1966.