APA引文
Langan, J. (2008). College Writing Skills with Readings (7th ed.). McGraw Hill.
芝加哥风格引文
Langan, John. College Writing Skills with Readings. 7th ed. New York: McGraw Hill, 2008.
MLA引文
Langan, John. College Writing Skills with Readings. 7th ed. McGraw Hill, 2008.
警告：这些引文格式不一定是100％准确.