Langan, J. (2004). College writing skills (6th ed.). McGraw-Hill.
Chicago Style (17th ed.) CitationLangan, John. College Writing Skills. 6th ed. New York: McGraw-Hill, 2004.
MLA (9th ed.) CitationLangan, John. College Writing Skills. 6th ed. McGraw-Hill, 2004.
Warning: These citations may not always be 100% accurate.