APA (7th ed.) Citation

Kunhardt, P. B., & Kunhardt, P. W. (1992). Lincoln: An illustrated biography. Knopf.

Chicago Style (17th ed.) Citation

Kunhardt, Philip B., and Peter W. Kunhardt. Lincoln: An Illustrated Biography. New York: Knopf, 1992.

MLA (9th ed.) Citation

Kunhardt, Philip B., and Peter W. Kunhardt. Lincoln: An Illustrated Biography. Knopf, 1992.