APA-Zitierstil (7. Ausg.)

Ruggiero, V. R. (2004). The art of thinking: A guide to critical and creative thought (7. ed.). Pearson Longman.

Chicago-Zitierstil (17. Ausg.)

Ruggiero, Vincent Ryan. The Art of Thinking: A Guide to Critical and Creative Thought. 7. ed. New York [u.a.]: Pearson Longman, 2004.

MLA-Zitierstil (9. Ausg.)

Ruggiero, Vincent Ryan. The Art of Thinking: A Guide to Critical and Creative Thought. 7. ed. Pearson Longman, 2004.