Cita APA (7a ed.)

Nicolay, J. G., Hay, J., & Angle, P. M. (1966). Abraham Lincoln: A history ([Abridged ed.].). University of Chicago Press.

Cita Chicago Style (17a ed.)

Nicolay, John G., John Hay, y Paul M. Angle. Abraham Lincoln: A History. [Abridged ed.]. Chicago: University of Chicago Press, 1966.

Cita MLA (8a ed.)

Nicolay, John G., et al. Abraham Lincoln: A History. [Abridged ed.]. University of Chicago Press, 1966.