APA-referens (7:e uppl.)

Mittermülller, R., & Dympna, S. (1928). Life and work of the Right Reverend George Michael Wittmann, Bishop of Ratisbon. Bruce.

Chicago-referens (17:e uppl.)

Mittermülller, Rupert, och Sister Dympna. Life and Work of the Right Reverend George Michael Wittmann, Bishop of Ratisbon. Milwaukee, Wis.: Bruce, 1928.

MLA-referens (8:e uppl.)

Mittermülller, Rupert, och Sister Dympna. Life and Work of the Right Reverend George Michael Wittmann, Bishop of Ratisbon. Bruce, 1928.