APA (7th ed.) Citation

Fitzpatrick, J. P. (1991). A centenary look at Rerum novarum.

Chicago Style (17th ed.) Citation

Fitzpatrick, Joseph P. A Centenary Look at Rerum Novarum. 1991.

MLA (8th ed.) Citation

Fitzpatrick, Joseph P. A Centenary Look at Rerum Novarum. 1991.

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