APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (8th ed.) Citation

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