Cita APA (7th ed.)

Turner, J. G., Turner, L. L., & Brodie, F. M. (1972). Mary Todd Lincoln. Her Life and Letters (2. Aufl.). Alfred A. Knopf.

Cita Chicago (17th ed.)

Turner, Justin G., Linda Levitt Turner, i Fawn M. Brodie. Mary Todd Lincoln. Her Life and Letters. 2. Aufl. New York: Alfred A. Knopf, 1972.

Cita MLA (8th ed.)

Turner, Justin G., et al. Mary Todd Lincoln. Her Life and Letters. 2. Aufl. Alfred A. Knopf, 1972.