Cita APA (7th ed.)

Sprague, E., & Taylor, P. W. (1959). Knowledge and value: Introductory readings in philosophy. Harcourt, Brace.

Cita Chicago (17th ed.)

Sprague, Elmer, i Paul W. Taylor. Knowledge and Value: Introductory Readings in Philosophy. New York: Harcourt, Brace, 1959.

Cita MLA (9th ed.)

Sprague, Elmer, i Paul W. Taylor. Knowledge and Value: Introductory Readings in Philosophy. Harcourt, Brace, 1959.