APA ציטוט

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

Chicago Style (17th ed.) Citation

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

ציטוט MLA

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