. (1977). " The Second BOOK. Ecclesiarum Clypei". In Magnalia Christi Americana. Cambridge (MA): Harvard University Press. doi: https://doi.org/10.4159/harvard.9780674180642.c9
. " The Second BOOK. Ecclesiarum Clypei". Magnalia Christi Americana. Cambridge (MA): Harvard University Press, 1977. https://doi.org/10.4159/harvard.9780674180642.c9 Web.
. " The Second BOOK. Ecclesiarum Clypei". In Magnalia Christi Americana, (Cambridge (MA): Harvard University Press, 1977) doi: https://doi.org/10.4159/harvard.9780674180642.c9
(1977). The Second BOOK. Ecclesiarum Clypei. In Magnalia Christi Americana, Cambridge (MA): Harvard University Press. Available From: Harvard University Press https://doi.org/10.4159/harvard.9780674180642.c9 [Accessed 23 January 2021]