APA (7th ed.) Citation

Vermilye, T. C. P. (1959). Pope John XXIII and unity. Divine Word Publications.

Chicago Style (17th ed.) Citation

Vermilye, Theodore C. P. Pope John XXIII and Unity. Techny, Ill.: Divine Word Publications, 1959.

MLA (8th ed.) Citation

Vermilye, Theodore C. P. Pope John XXIII and Unity. Divine Word Publications, 1959.

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