Gaya APA

O'Neill, C, S, E. (-1964). Ecumenism and Vatican II, essays by B.Cooke S.J., R.Siegel, J.H.Nicols, dll., with a foreword by V.T.O'Keefe. . Milwaukee: Bruce.

Gaya MLA

O'Neill, Ch.,, S.J.,, Ed.. "Ecumenism and Vatican II, essays by B.Cooke S.J., R.Siegel, J.H.Nicols, dll., with a foreword by V.T.O'Keefe. ". Milwaukee: Bruce, -1964. Buku.