Cita APA (7th ed.)

Kirby, G. R., & Goodpaster, J. R. (2007). Thinking: An interdisciplinary approach to critical and creative thought (4th ed.). Pearson Prentice Hall.

Cita Chicago (17th ed.)

Kirby, Gary R., i Jeffery R. Goodpaster. Thinking: An Interdisciplinary Approach to Critical and Creative Thought. 4th ed. Upper Saddle River, N.J.: Pearson Prentice Hall, 2007.

Cita MLA (9th ed.)

Kirby, Gary R., i Jeffery R. Goodpaster. Thinking: An Interdisciplinary Approach to Critical and Creative Thought. 4th ed. Pearson Prentice Hall, 2007.