Phillips, H. R., & Bostian, P. (2021). The purposeful argument: A practical guide (Third Edition.). Cengage Learning.
Chicago Style (17th ed.) CitationPhillips, Harry R., and Patricia Bostian. The Purposeful Argument: A Practical Guide. Third Edition. Boston, MA: Cengage Learning, 2021.
MLA (9th ed.) CitationPhillips, Harry R., and Patricia Bostian. The Purposeful Argument: A Practical Guide. Third Edition. Cengage Learning, 2021.
Warning: These citations may not always be 100% accurate.