APA (7th ed.) Citation

Langan. (2007). College writing skills (7th ed.). McGraw-Hill.

Chicago Style (17th ed.) Citation

Langan. College Writing Skills. 7th ed. New York,NY: McGraw-Hill, 2007.

MLA (9th ed.) Citation

Langan. College Writing Skills. 7th ed. McGraw-Hill, 2007.

Warning: These citations may not always be 100% accurate.