Cita APA (7a ed.)

Quine, W., & Ullian, J. (1978). The Web of belief. McGraw Hill.

Cita Chicago Style (17a ed.)

Quine, W.V, y J.S Ullian. The Web of Belief. New York: McGraw Hill, 1978.

Cita MLA (9a ed.)

Quine, W.V, y J.S Ullian. The Web of Belief. McGraw Hill, 1978.