APA (7e ed.) Bronvermelding

Leo XIII, P. (1940). Rerum Novarum: Encyclical Letter of Pope Leo XIII on the Condition of Labor. New York.

Chicago (17e ed.) Bronvermelding

Leo XIII, Pope. Rerum Novarum: Encyclical Letter of Pope Leo XIII on the Condition of Labor. New York, 1940.

MLA (8e ed.) Bronvermelding

Leo XIII, Pope. Rerum Novarum: Encyclical Letter of Pope Leo XIII on the Condition of Labor. New York, 1940.

Let op: Deze citaties zijn niet altijd 100% accuraat.