APA (7th ed.) Citation

Ferguson, K. S. (1985). Philosophical scepticism. Univ. Microfilms Internat.

Chicago Style (17th ed.) Citation

Ferguson, Kenneth S. Philosophical Scepticism. Ann Arbor, Mich: Univ. Microfilms Internat, 1985.

MLA (9th ed.) Citation

Ferguson, Kenneth S. Philosophical Scepticism. Univ. Microfilms Internat, 1985.