APA引文

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引文

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