APA (7th ed.) Citation

De Paor, M., & De Paor, L. (1960). Early Christian Ireland. Frederick A. Praeger.

Chicago Style (17th ed.) Citation

De Paor, Maire, and Liam De Paor. Early Christian Ireland. New York: Frederick A. Praeger, 1960.

MLA (9th ed.) Citation

De Paor, Maire, and Liam De Paor. Early Christian Ireland. Frederick A. Praeger, 1960.