Wulf, F. (1977). Ignatius of Loyola, his personality and spiritual heritage, 1556-1956: Studies on the 400th anniversary of his death. Institute of Jesuit Sources.
Chicago Style (17th ed.) CitationWulf, Friedrich. Ignatius of Loyola, His Personality and Spiritual Heritage, 1556-1956: Studies on the 400th Anniversary of His Death. St. Louis: Institute of Jesuit Sources, 1977.
MLA (8th ed.) CitationWulf, Friedrich. Ignatius of Loyola, His Personality and Spiritual Heritage, 1556-1956: Studies on the 400th Anniversary of His Death. Institute of Jesuit Sources, 1977.
Warning: These citations may not always be 100% accurate.