Citazione APA

O'Malley, J. W. (2008). What happened at Vatican II. Belknap Press of Harvard University Press.

Stile di citazione Chicago

O'Malley, John W. What Happened at Vatican II. Cambridge, Mass.: Belknap Press of Harvard University Press, 2008.

Citazione MLA

O'Malley, John W. What Happened at Vatican II. Belknap Press of Harvard University Press, 2008.