APA (7th ed.) Citation

Leo, X. (2016). Enzyklika Rerum novarum (1891). Geschichte der Diakonie in Quellen, 278-280.

Chicago Style (17th ed.) Citation

Leo, XIII. "Enzyklika Rerum Novarum (1891)." Geschichte Der Diakonie in Quellen 2016: 278-280.

MLA (9th ed.) Citation

Leo, XIII. "Enzyklika Rerum Novarum (1891)." Geschichte Der Diakonie in Quellen, 2016, pp. 278-280.

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