Citazione Stile APA (7a Edizione)

Halpern, D. F., & Riggio, H. R. (2003). Thinking critically abouth critical thinking: A workbook to accompany thought & knowledge : an introduction to critical thinking (Fourth edition.). Lawrence Erlbaum Associates, Publishers.

Citazione stile Chigago Style (17a edizione)

Halpern, Diane F., e Heidi R. Riggio. Thinking Critically Abouth Critical Thinking: A Workbook to Accompany Thought & Knowledge : An Introduction to Critical Thinking. Fourth edition. Mahwah, New Jersey: Lawrence Erlbaum Associates, Publishers, 2003.

Citatione MLA (9a ed.)

Halpern, Diane F., e Heidi R. Riggio. Thinking Critically Abouth Critical Thinking: A Workbook to Accompany Thought & Knowledge : An Introduction to Critical Thinking. Fourth edition. Lawrence Erlbaum Associates, Publishers, 2003.