APA (7th ed.) Citation

Boritt, G. S., & Blight, D. W. (1997). Why the Civil War came (1s issued as an Oxford University Press paperback, 1997.). Oxford University Press.

Chicago Style (17th ed.) Citation

Boritt, Gabor S., and David W. Blight. Why the Civil War Came. 1s issued as an Oxford University Press paperback, 1997. New York [etc.]: Oxford University Press, 1997.

MLA (9th ed.) Citation

Boritt, Gabor S., and David W. Blight. Why the Civil War Came. 1s issued as an Oxford University Press paperback, 1997. Oxford University Press, 1997.