Sonntag, N. L. (1948). Censorship of special classes of books, Canons 1387-1391: A history and commentary. Catholic University of America Press.
Chicago Style (17th ed.) CitationSonntag, Nathaniel Louis. Censorship of Special Classes of Books, Canons 1387-1391: A History and Commentary. Washington: Catholic University of America Press, 1948.
MLA (8th ed.) CitationSonntag, Nathaniel Louis. Censorship of Special Classes of Books, Canons 1387-1391: A History and Commentary. Catholic University of America Press, 1948.
Warning: These citations may not always be 100% accurate.