APA (7th ed.) Citation

Merton, T., Burton, P. A., & Forest, J. (2004). Peace in the post-Christian era. Orbis Books.

Chicago Style (17th ed.) Citation

Merton, Thomas, Patricia A. Burton, and Jim Forest. Peace in the Post-Christian Era. Maryknoll, N.Y.: Orbis Books, 2004.

MLA (9th ed.) Citation

Merton, Thomas, et al. Peace in the Post-Christian Era. Orbis Books, 2004.