O'Callaghan, J. (1970). "Nomina Sacra" in papyris graecis saeculi III neotestamentariis. Biblical Institute Press.
Chicago Style (17th ed.) CitationO'Callaghan, José. "Nomina Sacra" in Papyris Graecis Saeculi III Neotestamentariis. Rome: Biblical Institute Press, 1970.
MLA (9th ed.) CitationO'Callaghan, José. "Nomina Sacra" in Papyris Graecis Saeculi III Neotestamentariis. Biblical Institute Press, 1970.
Warning: These citations may not always be 100% accurate.