APA استشهاد

Harper, K. (2011). Slavery in the late Roman world, AD 275-425. Cambridge, UK ; New York: Cambridge University Press.

استشهاد بنمط شيكاغو

Harper, Kyle. Slavery in the Late Roman World, AD 275-425. Cambridge, UK ; New York: Cambridge University Press, 2011.

MLA استشهاد

Harper, Kyle. Slavery in the Late Roman World, AD 275-425. Cambridge, UK ; New York: Cambridge University Press, 2011.