APA (7th ed.) Citation

Kelly, J. F. (2004). The origins of Christmas. Liturgical Press.

Chicago Style (17th ed.) Citation

Kelly, Joseph F. The Origins of Christmas. Collegeville, Minn: Liturgical Press, 2004.

MLA (8th ed.) Citation

Kelly, Joseph F. The Origins of Christmas. Liturgical Press, 2004.

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