Duska, R. F. (1991). Rerum novarum: A symposium celebrating 100 years of Catholic social thought. Symposium series.
Chicago Style (17th ed.) CitationDuska, Ronald F. "Rerum Novarum: A Symposium Celebrating 100 Years of Catholic Social Thought." Symposium Series 1991.
MLA (8th ed.) CitationDuska, Ronald F. "Rerum Novarum: A Symposium Celebrating 100 Years of Catholic Social Thought." Symposium Series, 1991.
Warning: These citations may not always be 100% accurate.