APA (7th ed.) Citation

Bowie, G. L., Michaels, M. W., & Solomon, R. C. (2007). Twenty questions: An introduction to philosophy (6th ed.). Thomson/Wadsworth.

Chicago Style (17th ed.) Citation

Bowie, G. Lee, Meredith W. Michaels, and Robert C. Solomon. Twenty Questions: An Introduction to Philosophy. 6th ed. Australia ; Belmont, CA: Thomson/Wadsworth, 2007.

MLA (9th ed.) Citation

Bowie, G. Lee, et al. Twenty Questions: An Introduction to Philosophy. 6th ed. Thomson/Wadsworth, 2007.