Sullivan, P., & Tinberg, H. B. (2006). What is "college-level" writing? National Council of Teachers of English.
Chicago Style (17th ed.) CitationSullivan, Patrick, and Howard B. Tinberg. What Is "College-level" Writing? Urbana, Ill.: National Council of Teachers of English, 2006.
MLA (9th ed.) CitationSullivan, Patrick, and Howard B. Tinberg. What Is "College-level" Writing? National Council of Teachers of English, 2006.
Warning: These citations may not always be 100% accurate.