APA-viite (7. p.)
Portier, W. L. (2013). Divided friends: Portraits of the Roman Catholic modernist crisis in the United States. Catholic University of America Press.
Chicago-viite (17. p.)
Portier, William L. Divided Friends: Portraits of the Roman Catholic Modernist Crisis in the United States. Washington, District of Columbia: Catholic University of America Press, 2013.
MLA-viite (9. p.)
Portier, William L. Divided Friends: Portraits of the Roman Catholic Modernist Crisis in the United States. Catholic University of America Press, 2013.
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