Gaya APA

Callahan, N, J. (1971). A case for due process in the Church, Father Eugene O'Callaghan, American pioneer of dissent. . New York: Alba House.

Gaya MLA

Callahan, Nelson, J.. "A case for due process in the Church, Father Eugene O'Callaghan, American pioneer of dissent. ". New York: Alba House, 1971. Buku.