APA (7th ed.) Citation

Ryan, J. K. (1969). Studies in Philosophy and the History of Philosophy, IV. The Catholic University of America Press.

Chicago Style (17th ed.) Citation

Ryan, John Kenneth. Studies in Philosophy and the History of Philosophy, IV. Washington, D.C: The Catholic University of America Press, 1969.

MLA (9th ed.) Citation

Ryan, John Kenneth. Studies in Philosophy and the History of Philosophy, IV. The Catholic University of America Press, 1969.