APA (7th ed.) Citation

Butler, A. M., Engh, M. E., & Spalding, T. W. (1999). The frontiers and Catholic identities. Orbis Books.

Chicago Style (17th ed.) Citation

Butler, Anne M., Michael E. Engh, and Thomas W. Spalding. The Frontiers and Catholic Identities. Maryknoll, N.Y.: Orbis Books, 1999.

MLA (9th ed.) Citation

Butler, Anne M., et al. The Frontiers and Catholic Identities. Orbis Books, 1999.