APA-referens (7:e uppl.)

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

Chicago-referens (17:e uppl.)

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

MLA-referens (9:e uppl.)

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