Citazione APA

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

Stile di citazione Chicago

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

Citazione MLA

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