Gaya APA

Dulles, A, S, J, S, [, R, S. (1955). Introductory metaphysics, a course combining matter treated in ontology, cosmology and natural theology. . New York: Sheed and Ward.

Gaya MLA

Dulles, A.R.,, S.J.,, J.M.Demske, S.J., [and], R.J.O'Connell, S.J.. "Introductory metaphysics, a course combining matter treated in ontology, cosmology and natural theology. ". New York: Sheed and Ward, 1955. Buku.