APA (7th ed.) Citation

Willging, E. P. (1949). The Index to Catholic pamphlets in the English language. Catholic University of America Press.

Chicago Style (17th ed.) Citation

Willging, Eugene P. The Index to Catholic Pamphlets in the English Language. Washington, D.C.: Catholic University of America Press, 1949.

MLA (8th ed.) Citation

Willging, Eugene P. The Index to Catholic Pamphlets in the English Language. Catholic University of America Press, 1949.