Betten, F. S. (1932). The Roman index of forbidden books briefly explained (2d and rev. ed.). Loyola University Press.
Chicago Style (17th ed.) CitationBetten, Francis S. The Roman Index of Forbidden Books Briefly Explained. 2d and rev. ed. Chicago, Ill.: Loyola University Press, 1932.
MLA (8th ed.) CitationBetten, Francis S. The Roman Index of Forbidden Books Briefly Explained. 2d and rev. ed. Loyola University Press, 1932.
Warning: These citations may not always be 100% accurate.