APA-referens (7:e uppl.)

Pennington, M. B. (1996). Thomas Merton, my brother: His journey into freedom, compassion, and final integration : essays. New City Press.

Chicago-referens (17:e uppl.)

Pennington, M. Basil. Thomas Merton, My Brother: His Journey into Freedom, Compassion, and Final Integration : Essays. Hyde Park, N.Y.: New City Press, 1996.

MLA-referens (8:e uppl.)

Pennington, M. Basil. Thomas Merton, My Brother: His Journey into Freedom, Compassion, and Final Integration : Essays. New City Press, 1996.