Cita APA (7a ed.)

Paul, R., & Elder, L. (2002). Critical thinking: Tools for taking charge of your professional and personal life (1st edition.). Financial Times/Prentice Hall.

Cita Chicago Style (17a ed.)

Paul, Richard, y Linda Elder. Critical Thinking: Tools for Taking Charge of Your Professional and Personal Life. 1st edition. Upper Saddle River, NJ: Financial Times/Prentice Hall, 2002.

Cita MLA (9a ed.)

Paul, Richard, y Linda Elder. Critical Thinking: Tools for Taking Charge of Your Professional and Personal Life. 1st edition. Financial Times/Prentice Hall, 2002.