APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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