APA (7th ed.) Citation

Robertson, J. I. (1992). Civil war! america becomes one nation. Alferd A. Knopf.

Chicago Style (17th ed.) Citation

Robertson, James I. Civil War! America Becomes One Nation. New York: Alferd A. Knopf, 1992.

MLA (9th ed.) Citation

Robertson, James I. Civil War! America Becomes One Nation. Alferd A. Knopf, 1992.