APA aipamena

Kolak, D., Martin, R., & Patterson, W. (1999). Wisdom without answers: A brief introduction to philosophy (4th ed.). Wadsworth Pub.

Chicago Style aipamena

Kolak, Daniel, Raymond Martin, and William Patterson. Wisdom Without Answers: A Brief Introduction to Philosophy. 4th ed. Belmont, CA: Wadsworth Pub, 1999.

MLA aipamena

Kolak, Daniel, et al. Wisdom Without Answers: A Brief Introduction to Philosophy. 4th ed. Wadsworth Pub, 1999.