APA (7th ed.) Citation

Hughes, J. R. C. C. -. P. (1929). Encyclical "Acerbo Nimis" of Pius X. Philadelphia, Pa.

Chicago Style (17th ed.) Citation

Hughes, James Ryan; Catholic Church. -- Pope. Encyclical "Acerbo Nimis" of Pius X. Philadelphia, Pa, 1929.

MLA (8th ed.) Citation

Hughes, James Ryan; Catholic Church. -- Pope. Encyclical "Acerbo Nimis" of Pius X. Philadelphia, Pa, 1929.

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