APA način citiranja (7. izdanje)

Watt, L. (1929). Catholic social principles: A commentary on the papal encyclical Rerum novarum. Burns, Oates & Washbourne ltd..

Čikaški stil citiranja (17. izdanje)

Watt, Lewis. Catholic Social Principles: A Commentary on the Papal Encyclical Rerum Novarum. London: Burns, Oates & Washbourne ltd., 1929.

MLA način citiranja (8. izdanje)

Watt, Lewis. Catholic Social Principles: A Commentary on the Papal Encyclical Rerum Novarum. Burns, Oates & Washbourne ltd., 1929.