Elder, L., & Paul, R. (2013). Critical Thinking: Tools for Taking Charge of Your Professional and Personal Life, Second Edition (2nd edition.). PH Professional Business.
Chicago Style (17th ed.) CitationElder, Linda, and Richard Paul. Critical Thinking: Tools for Taking Charge of Your Professional and Personal Life, Second Edition. 2nd edition. PH Professional Business, 2013.
MLA (9th ed.) CitationElder, Linda, and Richard Paul. Critical Thinking: Tools for Taking Charge of Your Professional and Personal Life, Second Edition. 2nd edition. PH Professional Business, 2013.
Warning: These citations may not always be 100% accurate.