Cita APA (7a ed.)

Paul, R., & Elder, L. (2006). Critical thinking: Tools for taking charge of your learning and your life (2nd ed.). Pearson/Prentice Hall.

Cita Chicago Style (17a ed.)

Paul, Richard, y Linda Elder. Critical Thinking: Tools for Taking Charge of Your Learning and Your Life. 2nd ed. Upper Saddle River: Pearson/Prentice Hall, 2006.

Cita MLA (9a ed.)

Paul, Richard, y Linda Elder. Critical Thinking: Tools for Taking Charge of Your Learning and Your Life. 2nd ed. Pearson/Prentice Hall, 2006.