Citazione Stile APA (7a Edizione)
Paul, R., & Elder, L. (2006). Critical thinking: Tools for taking charge of your learning and your life (2nd ed.). Pearson.
Citazione stile Chigago Style (17a edizione)
Paul, Richard, e Linda Elder. Critical Thinking: Tools for Taking Charge of Your Learning and Your Life. 2nd ed. Upper Saddle River, New Jersey: Pearson, 2006.
Citatione MLA (9a ed.)
Paul, Richard, e Linda Elder. Critical Thinking: Tools for Taking Charge of Your Learning and Your Life. 2nd ed. Pearson, 2006.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.