APA-viite (7. p.)

Grayston, D. (1985). Thomas Merton, the development of a spiritual theologian. E. Mellen Press.

Chicago-viite (17. p.)

Grayston, Donald. Thomas Merton, the Development of a Spiritual Theologian. New York: E. Mellen Press, 1985.

MLA-viite (8. p.)

Grayston, Donald. Thomas Merton, the Development of a Spiritual Theologian. E. Mellen Press, 1985.