Cita APA (7a ed.)

Dorr, D. (1992). Option for the poor: A hundred years of vatican social teaching. Orbis Books.

Cita Chicago Style (17a ed.)

Dorr, Donal. Option for the Poor: A Hundred Years of Vatican Social Teaching. New York: Orbis Books, 1992.

Cita MLA (9a ed.)

Dorr, Donal. Option for the Poor: A Hundred Years of Vatican Social Teaching. Orbis Books, 1992.