Cita APA (7a ed.)

Quine, W. V. O., & Ullian, J. S. (1970). The web of belief. Random House.

Cita Chicago Style (17a ed.)

Quine, Willard Van Orman, y J. S. Ullian. The Web of Belief. New York: Random House, 1970.

Cita MLA (9a ed.)

Quine, Willard Van Orman, y J. S. Ullian. The Web of Belief. Random House, 1970.