Sommers, N., & Simon, L. (1993). The Harper Collins guide to writing: With sourcebook. New York: Harper Collins.
Chicago Style CitationSommers, Nancy, and Linda Simon. The Harper Collins Guide to Writing: With Sourcebook. New York: Harper Collins, 1993.
MLA CitationSommers, Nancy, and Linda Simon. The Harper Collins Guide to Writing: With Sourcebook. New York: Harper Collins, 1993.
Warning: These citations may not always be 100% accurate.