Cita APA (7th ed.)
Contreras, D. A. (2010). Psychology of thinking. Nova Science Publishers.
Cita Chicago (17th ed.)
Contreras, David A. Psychology of Thinking. New York: Nova Science Publishers, 2010.
Cita MLA (9th ed.)
Contreras, David A. Psychology of Thinking. Nova Science Publishers, 2010.
Atenció: Aquestes cites poden no estar 100% correctes.