O'Callaghan, P. (2011). Christ our hope: An introduction to eschatology. Catholic University of America Press.
芝加哥风格引文O'Callaghan, Paul. Christ Our Hope: An Introduction to Eschatology. Washington, District of Columbia: Catholic University of America Press, 2011.
MLA引文O'Callaghan, Paul. Christ Our Hope: An Introduction to Eschatology. Catholic University of America Press, 2011.
警告：这些引文格式不一定是100％准确.