Cita APA (7th ed.)

Blackstone, W. T. (1972). Introductory readings in philosophy. Holt, Rinehart.

Cita Chicago (17th ed.)

Blackstone, William T. Introductory Readings in Philosophy. New York: Holt, Rinehart, 1972.

Cita MLA (9th ed.)

Blackstone, William T. Introductory Readings in Philosophy. Holt, Rinehart, 1972.