Cita APA (7th ed.)

Williams, M. (2001). Problems of Knowledge: A Critical Introduction to Epistemology. Oxford University Press.

Cita Chicago (17th ed.)

Williams, Michael. Problems of Knowledge: A Critical Introduction to Epistemology. Oxford University Press, 2001.

Cita MLA (9th ed.)

Williams, Michael. Problems of Knowledge: A Critical Introduction to Epistemology. Oxford University Press, 2001.