APA-viite (7. p.)

Whelan, J. P. (1971). The spirituality of Friedrich von Hügel. Newman Press.

Chicago-viite (17. p.)

Whelan, Joseph P. The Spirituality of Friedrich Von Hügel. New York: Newman Press, 1971.

MLA-viite (8. p.)

Whelan, Joseph P. The Spirituality of Friedrich Von Hügel. Newman Press, 1971.