Heim, B. B., & Heim, B. B. (1978). Heraldry in the Catholic Church. van Duren.
Chicago Style (17th ed.) CitationHeim, Bruno Bernhard, and Bruno Bernard Heim. Heraldry in the Catholic Church. Gerrards Cross: van Duren, 1978.
MLA (8th ed.) CitationHeim, Bruno Bernhard, and Bruno Bernard Heim. Heraldry in the Catholic Church. van Duren, 1978.
Warning: These citations may not always be 100% accurate.