Cita APA (7a ed.)

Dorr, D. (2016). Option for the poor and for the earth: From Leo XIII to Pope Francis (Further revised and expanded ed.). Orbis Books.

Cita Chicago Style (17a ed.)

Dorr, Donal. Option for the Poor and for the Earth: From Leo XIII to Pope Francis. Further revised and expanded ed. New York: Orbis Books, 2016.

Cita MLA (9a ed.)

Dorr, Donal. Option for the Poor and for the Earth: From Leo XIII to Pope Francis. Further revised and expanded ed. Orbis Books, 2016.