Citação norma APA

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

Citação norma Chicago

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

Citação norma MLA

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

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.