Cita APA (7a ed.)

Herndon, W. H., Davis, R. O., & Wilson, D. L. (2016). Herndon on Lincoln: Letters. University of Illinois Press.

Cita Chicago Style (17a ed.)

Herndon, William Henry, Rodney O. Davis, y Douglas L. Wilson. Herndon on Lincoln: Letters. Urbana: University of Illinois Press, 2016.

Cita MLA (8a ed.)

Herndon, William Henry, et al. Herndon on Lincoln: Letters. University of Illinois Press, 2016.