APA (7th ed.) Citation

De Ford, M. A. (1950). Who was when?: A dictionary of contemporaries (2nd ed.). Wilson.

Chicago Style (17th ed.) Citation

De Ford, Miriam Allen. Who Was When?: A Dictionary of Contemporaries. 2nd ed. New York: Wilson, 1950.

MLA (8th ed.) Citation

De Ford, Miriam Allen. Who Was When?: A Dictionary of Contemporaries. 2nd ed. Wilson, 1950.