APA-viite (7. p.)

Ryder, J. (1994). American philosophic naturalism in the twentieth century. Prometheus Books.

Chicago-viite (17. p.)

Ryder, John. American Philosophic Naturalism in the Twentieth Century. Amherst, N.Y: Prometheus Books, 1994.

MLA-viite (9. p.)

Ryder, John. American Philosophic Naturalism in the Twentieth Century. Prometheus Books, 1994.