APA (7th ed.) Citation

Ruggiero, V. R. (1988). The art of thinking: A guide to crit. and creative thought (2. ed.). Harper & Row.

Chicago Style (17th ed.) Citation

Ruggiero, Vincent Ryan. The Art of Thinking: A Guide to Crit. and Creative Thought. 2. ed. New York u.a: Harper & Row, 1988.

MLA (9th ed.) Citation

Ruggiero, Vincent Ryan. The Art of Thinking: A Guide to Crit. and Creative Thought. 2. ed. Harper & Row, 1988.