Cita APA (7a ed.)

Dorr, D. 1. a. (1992). Option for the poor: A hundred years of Vatican Social teaching. Gill and Macmillan.

Cita Chicago Style (17a ed.)

Dorr, Donal 1935- autor. Option for the Poor: A Hundred Years of Vatican Social Teaching. Dublin: Gill and Macmillan, 1992.

Cita MLA (9a ed.)

Dorr, Donal 1935- autor. Option for the Poor: A Hundred Years of Vatican Social Teaching. Gill and Macmillan, 1992.