APA (7th ed.) Citation

O'Callaghan, P., & Gassman, G. (1997). Fides Christi. The justification debate. Four Courts Press.

Chicago Style (17th ed.) Citation

O'Callaghan, Paul, and Günther Gassman. Fides Christi. The Justification Debate. Dublín: Four Courts Press, 1997.

MLA (9th ed.) Citation

O'Callaghan, Paul, and Günther Gassman. Fides Christi. The Justification Debate. Four Courts Press, 1997.