Cita APA (7th ed.)

Levy, D. A. (1997). Tools of critical thinking: Metathoughts for psychology. Allyn and Bacon.

Cita Chicago (17th ed.)

Levy, David A. Tools of Critical Thinking: Metathoughts for Psychology. Boston: Allyn and Bacon, 1997.

Cita MLA (9th ed.)

Levy, David A. Tools of Critical Thinking: Metathoughts for Psychology. Allyn and Bacon, 1997.