APA

Friethoff C. X. J. M., tr. by a religious of the Retreat of the Sacred Heart, .A complete Mariology. Westminster MD: .

Chicago

Friethoff Cornelis Xaverius Joseph Marie, tr. by a religious of the Retreat of the Sacred Heart, .A complete Mariology. Westminster MD: .

Harvard

Friethoff C. X. J. M., tr. by a religious of the Retreat of the Sacred Heart, .A complete Mariology. Westminster MD: .

MLA

Friethoff Cornelis Xaverius Joseph Marie, tr. by a religious of the Retreat of the Sacred Heart, .Westminster MD: . .