APA (7th ed.) Citation

Thomas, B. P. (1954). Lincoln's New Salem (New and rev. ed.). Knopf.

Chicago Style (17th ed.) Citation

Thomas, Benjamin Platt. Lincoln's New Salem. New and rev. ed. New York: Knopf, 1954.

MLA (9th ed.) Citation

Thomas, Benjamin Platt. Lincoln's New Salem. New and rev. ed. Knopf, 1954.