APA
World Congress of Christian Philosophy, Zdybicka Z. J., Catholic University of Lublin, World Union of the Catholic philosophical societies & World Congress of Christian Philosophy. (1999). Freedom in contemporary culture. Lublin: Redakcija Wydawnictw Katolickiego Uniwersytetu Lubelski.
Chicago
World Congress of Christian Philosophy, Zdybicka Zofia Jz̤efa, Catholic University of Lublin, World Union of the Catholic philosophical societies and World Congress of Christian Philosophy. 1999. Freedom in contemporary culture. Lublin: Redakcija Wydawnictw Katolickiego Uniwersytetu Lubelski.
Harvard
World Congress of Christian Philosophy, Zdybicka Z. J., Catholic University of Lublin, World Union of the Catholic philosophical societies and World Congress of Christian Philosophy. (1999). Freedom in contemporary culture. Lublin: Redakcija Wydawnictw Katolickiego Uniwersytetu Lubelski.
MLA
World Congress of Christian Philosophy, Zdybicka Zofia Jz̤efa, Catholic University of Lublin, World Union of the Catholic philosophical societies and World Congress of Christian Philosophy. Freedom in contemporary culture. Lublin: Redakcija Wydawnictw Katolickiego Uniwersytetu Lubelski. 1999.
