APA (7th ed.) Citation

Gros, J., McManus, E., & Riggs, A. (1998). Introduction to Ecumenism. Paulist Press.

Chicago Style (17th ed.) Citation

Gros, Jeffrey, Eamon McManus, and Ann Riggs. Introduction to Ecumenism. Mahwah: Paulist Press, 1998.

MLA (8th ed.) Citation

Gros, Jeffrey, et al. Introduction to Ecumenism. Paulist Press, 1998.

Warning: These citations may not always be 100% accurate.