APA (7th ed.) Citation

Dorr, D. (1992). Option for the poor: A hundred years of Vatican social thinking (rev. ed.). Orbis Books.

Chicago Style (17th ed.) Citation

Dorr, Donal. Option for the Poor: A Hundred Years of Vatican Social Thinking. rev. ed. Maryknoll, NY: Orbis Books, 1992.

MLA (9th ed.) Citation

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