APA (7th ed.) Citation

Leo XIII. Papst. (1932). Encyclique Rerum Novarum. Editions du Cerf.

Chicago Style (17th ed.) Citation

Leo XIII. Papst. Encyclique Rerum Novarum. Juvisy, Liège: Editions du Cerf, 1932.

MLA (9th ed.) Citation

Leo XIII. Papst. Encyclique Rerum Novarum. Editions du Cerf, 1932.

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