APA (7th ed.) Citation

Gerhardt, M. J. (2021). Lincoln's mentors: The education of a leader (First edition.). Custom House.

Chicago Style (17th ed.) Citation

Gerhardt, Michael J. Lincoln's Mentors: The Education of a Leader. First edition. New York: Custom House, 2021.

MLA (8th ed.) Citation

Gerhardt, Michael J. Lincoln's Mentors: The Education of a Leader. First edition. Custom House, 2021.