Popkin, R. H., & Stroll, A. (1993). Philosophy made simple (2nd ed., rev.). Doubleday.
Chicago Style (17th ed.) CitationPopkin, Richard H., and Avrum Stroll. Philosophy Made Simple. 2nd ed., rev. New York: Doubleday, 1993.
MLA (9th ed.) CitationPopkin, Richard H., and Avrum Stroll. Philosophy Made Simple. 2nd ed., rev. Doubleday, 1993.
Warning: These citations may not always be 100% accurate.