APA (7th ed.) Citation

Heim, B. B., & Heim, B. B. (1978). Heraldry in the Catholic Church. van Duren.

Chicago Style (17th ed.) Citation

Heim, Bruno Bernhard, and Bruno Bernard Heim. Heraldry in the Catholic Church. Gerrards Cross: van Duren, 1978.

MLA (8th ed.) Citation

Heim, Bruno Bernhard, and Bruno Bernard Heim. Heraldry in the Catholic Church. van Duren, 1978.