APA (7th ed.) Citation

Barcalow. Open questions: An introduction to philosophy (2nd.ed.).

Chicago Style (17th ed.) Citation

Barcalow. Open Questions: An Introduction to Philosophy. 2nd.ed. London lbWadsworth Publishing Company lc1997.

MLA (9th ed.) Citation

Barcalow. Open Questions: An Introduction to Philosophy. 2nd.ed.

Warning: These citations may not always be 100% accurate.