APA引文

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

Chicago Style (17th ed.) Citation

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

MLA引文

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