APA (7th ed.) Citation

O''Brien, J. (1992). Theology and the option for the poor. The Liturgical Press.

Chicago Style (17th ed.) Citation

O''Brien, John. Theology and the Option for the Poor. Collegeville, Minnesota: The Liturgical Press, 1992.

MLA (9th ed.) Citation

O''Brien, John. Theology and the Option for the Poor. The Liturgical Press, 1992.