Cita APA (7a ed.)

Williams, F. J., & Billings, R. D. (2010). Abraham Lincoln, Esq.: The Legal Career of America's Greatest President. University Press of Kentucky.

Cita Chicago Style (17a ed.)

Williams, Frank J., y Roger D. Billings. Abraham Lincoln, Esq.: The Legal Career of America's Greatest President. Lexington, Ky.: University Press of Kentucky, 2010.

Cita MLA (8a ed.)

Williams, Frank J., y Roger D. Billings. Abraham Lincoln, Esq.: The Legal Career of America's Greatest President. University Press of Kentucky, 2010.