APA (7th ed.) Citation

Williams, T. I., & Withers, S. (1982). A Biographical dictionary of scientists (3rd ed.). Wiley.

Chicago Style (17th ed.) Citation

Williams, Trevor Illtyd, and Sonia Withers. A Biographical Dictionary of Scientists. 3rd ed. New York: Wiley, 1982.

MLA (9th ed.) Citation

Williams, Trevor Illtyd, and Sonia Withers. A Biographical Dictionary of Scientists. 3rd ed. Wiley, 1982.