APA (7th ed.) Citation

Juan XXIII. (1959). Verdad, unidad, paz: Ad Petri Cathedram. Paulinas.

Chicago Style (17th ed.) Citation

Juan XXIII. Verdad, Unidad, Paz: Ad Petri Cathedram. Santiago: Paulinas, 1959.

MLA (9th ed.) Citation

Juan XXIII. Verdad, Unidad, Paz: Ad Petri Cathedram. Paulinas, 1959.

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