Duffner, I. Sorrowful and Immaculate Heart of Mary. Ave Maria Institute.
Chicago Style (17th ed.) CitationDuffner, I. Sorrowful and Immaculate Heart of Mary. Washington, NJ: Ave Maria Institute.
MLA (8th ed.) CitationDuffner, I. Sorrowful and Immaculate Heart of Mary. Ave Maria Institute.
Warning: These citations may not always be 100% accurate.