APA (7th ed.) Citation

Williams, T. I. (1974). A biographical dictionary of scientists (2d ed.). Wiley.

Chicago Style (17th ed.) Citation

Williams, Trevor Illtyd. A Biographical Dictionary of Scientists. 2d ed. New York: Wiley, 1974.

MLA (9th ed.) Citation

Williams, Trevor Illtyd. A Biographical Dictionary of Scientists. 2d ed. Wiley, 1974.