APA (7th ed.) Citation

Betten, F. S. The Roman Index of Forbidden Books Briefly Explained for Catholic Booklovers and Students.

Chicago Style (17th ed.) Citation

Betten, Francis S. The Roman Index of Forbidden Books Briefly Explained for Catholic Booklovers and Students.

MLA (9th ed.) Citation

Betten, Francis S. The Roman Index of Forbidden Books Briefly Explained for Catholic Booklovers and Students.

Warning: These citations may not always be 100% accurate.