APA (7th ed.) Zitazioa

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

Chicago Style (17th ed.) Zitazioa

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

MLA (9th ed.) Zitazioa

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