Cita APA (7a ed.)

Joan Pau II, p. (1991). On the hundredth anniversary of Rerum Novarum: Centesimus annus. United States Catholic Conference. Office for Publishing and Promotion Services.

Cita Chicago Style (17a ed.)

Joan Pau II, papa. On the Hundredth Anniversary of Rerum Novarum: Centesimus Annus. Washington, D.C.: United States Catholic Conference. Office for Publishing and Promotion Services, 1991.

Cita MLA (9a ed.)

Joan Pau II, papa. On the Hundredth Anniversary of Rerum Novarum: Centesimus Annus. United States Catholic Conference. Office for Publishing and Promotion Services, 1991.