Citazione Stile APA (7a Edizione)

Paul, R., & Elder, L. (2006). Critical Thinking: Learn the tools the best thinkers use. Pearson International.

Citazione stile Chigago Style (17a edizione)

Paul, Richard, e Linda Elder. Critical Thinking: Learn the Tools the Best Thinkers Use. New Jersey: Pearson International, 2006.

Citatione MLA (9a ed.)

Paul, Richard, e Linda Elder. Critical Thinking: Learn the Tools the Best Thinkers Use. Pearson International, 2006.