APA (7th ed.) Citation

O'Mahony, C., Dominic, & Vithayathil, G. (1974). Church History: A summary. Pontifical Institute of Theology and Philosophy.

Chicago Style (17th ed.) Citation

O'Mahony, Christopher, Dominic, and G. Vithayathil. Church History: A Summary. Kerala: Pontifical Institute of Theology and Philosophy, 1974.

MLA (9th ed.) Citation

O'Mahony, Christopher, et al. Church History: A Summary. Pontifical Institute of Theology and Philosophy, 1974.