APA (7th ed.) Citation

Denis-Boulet, N. M. (1960). The christian calendar. Hawthorn Books, Publishers.

Chicago Style (17th ed.) Citation

Denis-Boulet, Noële Maurice. The Christian Calendar. New York: Hawthorn Books, Publishers, 1960.

MLA (9th ed.) Citation

Denis-Boulet, Noële Maurice. The Christian Calendar. Hawthorn Books, Publishers, 1960.

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