APA (7th ed.) Citation

O'Neill, W. (2021). Catholic social teaching: A user's guide. Orbis Books.

Chicago Style (17th ed.) Citation

O'Neill, William. Catholic Social Teaching: A User's Guide. New York: Orbis Books, 2021.

MLA (9th ed.) Citation

O'Neill, William. Catholic Social Teaching: A User's Guide. Orbis Books, 2021.