APA (7th ed.) Citation

Pritchard, D. (2013). What is this thing called knowledge? (Third edition.). Routledge.

Chicago Style (17th ed.) Citation

Pritchard, Duncan. What Is This Thing Called Knowledge? Third edition. New York: Routledge, 2013.

MLA (9th ed.) Citation

Pritchard, Duncan. What Is This Thing Called Knowledge? Third edition. Routledge, 2013.

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