Cita APA (7a ed.)
Langan, J. (2008). College Writing Skills with Readings (7th ed.). McGraw Hill.
Cita Chicago Style (17a ed.)
Langan, John. College Writing Skills with Readings. 7th ed. New York: McGraw Hill, 2008.
Cita MLA (9a ed.)
Langan, John. College Writing Skills with Readings. 7th ed. McGraw Hill, 2008.
Precaución: Estas citas no son 100% exactas.