APA (7th ed.) Citation

Bacchiocchi, S. (1977). From sabbath to sunday: A historical investigation of the rise of sunday observance in early christianity. Pontifical Gregorian Univ. Press.

Chicago Style (17th ed.) Citation

Bacchiocchi, Samuele. From Sabbath to Sunday: A Historical Investigation of the Rise of Sunday Observance in Early Christianity. Rome: Pontifical Gregorian Univ. Press, 1977.

MLA (9th ed.) Citation

Bacchiocchi, Samuele. From Sabbath to Sunday: A Historical Investigation of the Rise of Sunday Observance in Early Christianity. Pontifical Gregorian Univ. Press, 1977.