Cita APA (7a ed.)

Elder, L. A., & Paul, R. C. (2013). 30 days to better thinking and better living with critical thinking: A guide for improving every aspect of your life (1st edition.). FT Press.

Cita Chicago Style (17a ed.)

Elder, Linda Author, y Richard Contributor Paul. 30 Days to Better Thinking and Better Living with Critical Thinking: A Guide for Improving Every Aspect of Your Life. 1st edition. [Place of publication not identified]: FT Press, 2013.

Cita MLA (9a ed.)

Elder, Linda Author, y Richard Contributor Paul. 30 Days to Better Thinking and Better Living with Critical Thinking: A Guide for Improving Every Aspect of Your Life. 1st edition. FT Press, 2013.