APA (7th ed.) Citation

Parkinson, G. (1993). An Encyclopedia of philosophy. Routledge.

Chicago Style (17th ed.) Citation

Parkinson, G.H.R. An Encyclopedia of Philosophy. London: Routledge, 1993.

MLA (9th ed.) Citation

Parkinson, G.H.R. An Encyclopedia of Philosophy. Routledge, 1993.

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