Cita APA (7th ed.)

Galbreath, D. L. (1930). Papal Heraldry. Heffer.

Cita Chicago (17th ed.)

Galbreath, Donald Lindsay. Papal Heraldry. Cambridge: Heffer, 1930.

Cita MLA (8th ed.)

Galbreath, Donald Lindsay. Papal Heraldry. Heffer, 1930.