APA (7th ed.) Citation

Harrigan, S. (2016). A friend of Mr. Lincoln (First edition.). Alfred A. Knopf.

Chicago Style (17th ed.) Citation

Harrigan, Stephen. A Friend of Mr. Lincoln. First edition. New York: Alfred A. Knopf, 2016.

MLA (8th ed.) Citation

Harrigan, Stephen. A Friend of Mr. Lincoln. First edition. Alfred A. Knopf, 2016.

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