APA (7th ed.) Citation

Barney, W. L. (2011). The Oxford encyclopedia of the Civil War. Oxford University Press.

Chicago Style (17th ed.) Citation

Barney, William L. The Oxford Encyclopedia of the Civil War. New York: Oxford University Press, 2011.

MLA (9th ed.) Citation

Barney, William L. The Oxford Encyclopedia of the Civil War. Oxford University Press, 2011.