Langan, J., & Johnson, B. (2013). English essentials: What every college student needs to know about grammar, punctuation, and usage. Dubuque, Iowa: McGraw-Hill.
Chicago Style CitationLangan, John, and Beth Johnson. English Essentials: What Every College Student Needs to Know About Grammar, Punctuation, and Usage. Dubuque, Iowa: McGraw-Hill, 2013.
MLA CitationLangan, John, and Beth Johnson. English Essentials: What Every College Student Needs to Know About Grammar, Punctuation, and Usage. Dubuque, Iowa: McGraw-Hill, 2013.
Warning: These citations may not always be 100% accurate.