Citazione Stile APA (7a Edizione)

CHRISTIAN, J. L. (1973). Philosophy: An introduction to the art of wondering. Rinehart Press.

Citazione stile Chigago Style (17a edizione)

CHRISTIAN, James L. Philosophy: An Introduction to the Art of Wondering. San Francisco: Rinehart Press, 1973.

Citatione MLA (9a ed.)

CHRISTIAN, James L. Philosophy: An Introduction to the Art of Wondering. Rinehart Press, 1973.