Gaya APA

Bea, A, S, [. (1963). The unity of christians, ed. by B.Leeming S.J., introduction by Archbishop G.P.O'Hara. . London: Chapman.

Gaya MLA

Bea, A.,, S.J., [1881-1968]. "The unity of christians, ed. by B.Leeming S.J., introduction by Archbishop G.P.O'Hara. ". London: Chapman, 1963. Buku.