Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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