Cita APA

Langan, J. (2009). English essentials: What every college student needs to know about grammar, punctuation, and usage. New York: McGraw-Hill Companies,Incorporated.

Citación estilo Chicago

Langan, John. English Essentials: What Every College Student Needs to Know About Grammar, Punctuation, and Usage. New York: McGraw-Hill Companies,Incorporated, 2009.

Cita MLA

Langan, John. English Essentials: What Every College Student Needs to Know About Grammar, Punctuation, and Usage. New York: McGraw-Hill Companies,Incorporated, 2009.