APA (7th ed.) Citation

Galbreath, D. L., & Briggs, G. (1972). Papal Heraldry (2nd ed. revised by Geoffrey Briggs.). Heraldry Today.

Chicago Style (17th ed.) Citation

Galbreath, Donald Lindsay, and Geoffrey Briggs. Papal Heraldry. 2nd ed. revised by Geoffrey Briggs. London: Heraldry Today, 1972.

MLA (8th ed.) Citation

Galbreath, Donald Lindsay, and Geoffrey Briggs. Papal Heraldry. 2nd ed. revised by Geoffrey Briggs. Heraldry Today, 1972.

Warning: These citations may not always be 100% accurate.