Sowell, T. (2007). A man of letters. Encounter Books.
Chicago Style (17th ed.) CitationSowell, Thomas. A Man of Letters. New York: Encounter Books, 2007.
MLA引文Sowell, Thomas. A Man of Letters. Encounter Books, 2007.
警告：這些引文格式不一定是100％准確.
APA引文