APA (7th ed.) Citation

Juan XXIII, P., & Utz, A. F. (1965). La encíclica de Juan XXIII Pacem in Terris. Herder.

Chicago Style (17th ed.) Citation

Juan XXIII, Papa, and Arthur Fridolin Utz. La Encíclica De Juan XXIII Pacem in Terris. Barcelona: Herder, 1965.

MLA (9th ed.) Citation

Juan XXIII, Papa, and Arthur Fridolin Utz. La Encíclica De Juan XXIII Pacem in Terris. Herder, 1965.

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