APA (7th ed.) Citation

Grayling, A. C. (1985). The refutation of scepticism. Duckworth.

Chicago Style (17th ed.) Citation

Grayling, A. C. The Refutation of Scepticism. London: Duckworth, 1985.

MLA (9th ed.) Citation

Grayling, A. C. The Refutation of Scepticism. Duckworth, 1985.

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