Citazione APA

McAvoy, T. T. (1961). The Catholic minority in early Pittsburgh: The first bishop, Michael O'Connor. s.n..

Stile di citazione Chicago

McAvoy, Thomas Timothy. The Catholic Minority in Early Pittsburgh: The First Bishop, Michael O'Connor. [Philadelphia?: s.n., 1961.

Citazione MLA

McAvoy, Thomas Timothy. The Catholic Minority in Early Pittsburgh: The First Bishop, Michael O'Connor. s.n., 1961.