APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (8th ed.) Citation

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