APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (8e ed.) Bronvermelding

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