Παραπομπή σε μορφή APA (7η εκδ.)

Roberts, C. (2020). Ullathorne's The Immaculate Conception of the Mother of God (1904): Doctrinal eclecticism, pastoral implications. International Marian Research Institute.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Roberts, Christopher. Ullathorne's The Immaculate Conception of the Mother of God (1904): Doctrinal Eclecticism, Pastoral Implications. Dayton, Ohio: International Marian Research Institute, 2020.

Παραπομπή σε μορφή MLA (8th εκδ.)

Roberts, Christopher. Ullathorne's The Immaculate Conception of the Mother of God (1904): Doctrinal Eclecticism, Pastoral Implications. International Marian Research Institute, 2020.