Northrup, D. (2002). The Atlantic slave trade (2nd ed.). Houghton Mifflin Co.
Chicago Style (17th ed.) CitationNorthrup, David. The Atlantic Slave Trade. 2nd ed. Boston: Houghton Mifflin Co, 2002.
MLA引文Northrup, David. The Atlantic Slave Trade. 2nd ed. Houghton Mifflin Co, 2002.
警告:這些引文格式不一定是100%准確.