Style de citation APA (7e éd.)

Lincoln, A. P. U. S., & Maclean, M. (1907). Letters and addresses of Abraham Lincoln. Unit Book Pub.

Style de citation Chicago (17e éd.)

Lincoln, Abraham Pres. United States, et Mary Maclean. Letters and Addresses of Abraham Lincoln. New York: Unit Book Pub, 1907.

Style de citation MLA (9e éd.)

Lincoln, Abraham Pres. United States, et Mary Maclean. Letters and Addresses of Abraham Lincoln. Unit Book Pub, 1907.