APA-Zitierstil (7. Ausg.)

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

Chicago-Zitierstil (17. Ausg.)

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

MLA-Zitierstil (9. Ausg.)

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