Blumenthal, J. C. (1994). English 2600 with writing applications: A programmed course in grammar and usage (6th college ed.). Harcourt Brace College Publishers.
Chicago Style (17th ed.) CitationBlumenthal, Joseph C. English 2600 with Writing Applications: A Programmed Course in Grammar and Usage. 6th college ed. Fort Worth: Harcourt Brace College Publishers, 1994.
MLA (9th ed.) CitationBlumenthal, Joseph C. English 2600 with Writing Applications: A Programmed Course in Grammar and Usage. 6th college ed. Harcourt Brace College Publishers, 1994.
Warning: These citations may not always be 100% accurate.