Cita APA (7th ed.)

Heim, B. B. (1978). Heraldry in the catholic church, its origin, customs and laws. van Duren.

Cita Chicago (17th ed.)

Heim, Bruno Bernard. Heraldry in the Catholic Church, Its Origin, Customs and Laws. Gerrards Gross: van Duren, 1978.

Cita MLA (8th ed.)

Heim, Bruno Bernard. Heraldry in the Catholic Church, Its Origin, Customs and Laws. van Duren, 1978.