Betten, F. S. (1909). The Roman Index of forbidden books. B. Herder; [etc., etc.].
Chicago Style (17th ed.) CitationBetten, Francis Sales. The Roman Index of Forbidden Books. St. Louis, Mo.: B. Herder; [etc., etc.], 1909.
MLA (8th ed.) CitationBetten, Francis Sales. The Roman Index of Forbidden Books. B. Herder; [etc., etc.], 1909.
Warning: These citations may not always be 100% accurate.