Marshall, J. (2008). George and Martha: The best of friends. Houghton Mifflin.
芝加哥风格引文Marshall, James. George and Martha: The Best of Friends. Boston: Houghton Mifflin, 2008.
MLA引文Marshall, James. George and Martha: The Best of Friends. Houghton Mifflin, 2008.
警告：这些引文格式不一定是100％准确.