APA (7th ed.) Citation

Vernoff, E. (1987). The international dictionary of 20th-century biography. New American Library.

Chicago Style (17th ed.) Citation

Vernoff, Edward. The International Dictionary of 20th-century Biography. New York: New American Library, 1987.

MLA (9th ed.) Citation

Vernoff, Edward. The International Dictionary of 20th-century Biography. New American Library, 1987.