APA (7th ed.) Citation

Ruggiero, V. R. (1995). The art of thinking: A guide to critical and creative thought (4th ed.). HarperCollins College Pub.

Chicago Style (17th ed.) Citation

Ruggiero, Vincent Ryan. The Art of Thinking: A Guide to Critical and Creative Thought. 4th ed. New York: HarperCollins College Pub, 1995.

MLA (9th ed.) Citation

Ruggiero, Vincent Ryan. The Art of Thinking: A Guide to Critical and Creative Thought. 4th ed. HarperCollins College Pub, 1995.

Warning: These citations may not always be 100% accurate.