APA (7th ed.) Citation
Ruggiero, V. R. (2001). The art of thinking: A guide to critical and creative thought (6th ed.). Longman.
Chicago Style (17th ed.) Citation
Ruggiero, Vincent R. The Art of Thinking: A Guide to Critical and Creative Thought. 6th ed. New York: Longman, 2001.
MLA (9th ed.) Citation
Ruggiero, Vincent R. The Art of Thinking: A Guide to Critical and Creative Thought. 6th ed. Longman, 2001.
Warning: These citations may not always be 100% accurate.