APA način citiranja (7. izdanje)
Barrett, E. (2010). Persons and liberal democracy: The ethical and political thought of Karol Wojtyla/Pope John Paul II. Lexington Books.
Čikaški stil citiranja (17. izdanje)
Barrett, Edward. Persons and Liberal Democracy: The Ethical and Political Thought of Karol Wojtyla/Pope John Paul II. Lanham, Maryland: Lexington Books, 2010.
MLA način citiranja (9. izdanje)
Barrett, Edward. Persons and Liberal Democracy: The Ethical and Political Thought of Karol Wojtyla/Pope John Paul II. Lexington Books, 2010.
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