APA Style

Keckley, E. (1868). Behind the Scenes or, Thirty years a slave, and Four Years in the White House . New York: G. W. Carleton & Co., Publishers..

MLA Style

Keckley, Elizabeth. "Behind the Scenes or, Thirty years a slave, and Four Years in the White House". New York: G. W. Carleton & Co., Publishers., 1868. Computer File.