APA (7th ed.) Citation

Pablo VI, P. (1964). Encyclique Ecclesiam suam. Spes.

Chicago Style (17th ed.) Citation

Pablo VI, Papa. Encyclique Ecclesiam Suam. [Paris]: Spes, 1964.

MLA (9th ed.) Citation

Pablo VI, Papa. Encyclique Ecclesiam Suam. Spes, 1964.

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