APA-referens (7:e uppl.)

Sheen, F. J. (1940). A universal norm of morality. Our Sunday Visitor Press.

Chicago-referens (17:e uppl.)

Sheen, Fulton J. A Universal Norm of Morality. Huntington, Ind.: Our Sunday Visitor Press, 1940.

MLA-referens (8:e uppl.)

Sheen, Fulton J. A Universal Norm of Morality. Our Sunday Visitor Press, 1940.