Oliver, R. (1994). Africa since 1800. Cambridge.
芝加哥风格引文Oliver, Ronald. Africa Since 1800. New York: Cambridge, 1994.
MLA引文Oliver, Ronald. Africa Since 1800. Cambridge, 1994.
警告：这些引文格式不一定是100％准确.
APA引文
Oliver, R. (1994). Africa since 1800. Cambridge.
芝加哥风格引文Oliver, Ronald. Africa Since 1800. New York: Cambridge, 1994.
MLA引文Oliver, Ronald. Africa Since 1800. Cambridge, 1994.