APA (7th ed.) Citation

(1993). The HarperCollins dictionary of biography (First U.S. edition.). HarperCollins.

Chicago Style (17th ed.) Citation

The HarperCollins Dictionary of Biography. First U.S. edition. New York: HarperCollins, 1993.

MLA (9th ed.) Citation

The HarperCollins Dictionary of Biography. First U.S. edition. HarperCollins, 1993.

Warning: These citations may not always be 100% accurate.