APA (7th ed.) Citation

Merton, T., & O'Connell, P. F. (2013). Selected essays. Orbis Books.

Chicago Style (17th ed.) Citation

Merton, Thomas, and Patrick F. O'Connell. Selected Essays. Maryknoll, New York: Orbis Books, 2013.

MLA (8th ed.) Citation

Merton, Thomas, and Patrick F. O'Connell. Selected Essays. Orbis Books, 2013.