Cita APA (7th ed.)

Ruggiero, V. R. (2012). The art of thinking: A guide to critical and creative thought (Tenth edition.). Pearson Education.

Cita Chicago (17th ed.)

Ruggiero, Vincent Ryan. The Art of Thinking: A Guide to Critical and Creative Thought. Tenth edition. Upper Saddle River, New Jersey: Pearson Education, 2012.

Cita MLA (9th ed.)

Ruggiero, Vincent Ryan. The Art of Thinking: A Guide to Critical and Creative Thought. Tenth edition. Pearson Education, 2012.