APA način citiranja (7. izdanje)
Portier, W. L. (2013). Divided friends: Portraits of the Roman Catholic modernist crisis in the United States. Catholic University of America Press.
Čikaški stil citiranja (17. izdanje)
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 način citiranja (9. izdanje)
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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