Hapka, C., & Kennedy, A. (2012). The trail ride (First edition.). Harper.
芝加哥风格引文Hapka, Cathy, 与 Anne Kennedy. The Trail Ride. First edition. New York, NY: Harper, 2012.
MLA引文Hapka, Cathy, 与 Anne Kennedy. The Trail Ride. First edition. Harper, 2012.
警告：这些引文格式不一定是100％准确.