APA (7th ed.) Citation

Thomas, B. P. (1952). Abraham Lincoln: A biography (1. ed.). Knopf.

Chicago Style (17th ed.) Citation

Thomas, Benjamin Platt. Abraham Lincoln: A Biography. 1. ed. New York: Knopf, 1952.

MLA (9th ed.) Citation

Thomas, Benjamin Platt. Abraham Lincoln: A Biography. 1. ed. Knopf, 1952.