Cita APA (7th ed.)

Beck, L. W., & Gould, J. A. (1968). Philosophic inquiry: An introduction to philosophy (2d ed.). Prentice-Hall.

Cita Chicago (17th ed.)

Beck, Lewis White, i James A. Gould. Philosophic Inquiry: An Introduction to Philosophy. 2d ed. Englewood Cliffs, N. J: Prentice-Hall, 1968.

Cita MLA (9th ed.)

Beck, Lewis White, i James A. Gould. Philosophic Inquiry: An Introduction to Philosophy. 2d ed. Prentice-Hall, 1968.