APA (7th ed.) Citation

Paus Leo XIII, Z. (1909). Wereldbrief Rerum Novarum. Halle: Sint-Martinus Drukkerij.

Chicago Style (17th ed.) Citation

Paus Leo XIII, Z.H. Wereldbrief Rerum Novarum. Halle: Sint-Martinus Drukkerij, 1909.

MLA (8th ed.) Citation

Paus Leo XIII, Z.H. Wereldbrief Rerum Novarum. Halle: Sint-Martinus Drukkerij, 1909.

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