Willging, E. P. (1949). The Index to Catholic pamphlets in the English language. Catholic University of America Press.
Citação norma ChicagoWillging, Eugene P. The Index to Catholic Pamphlets in the English Language. Washington, D.C.: Catholic University of America Press, 1949.
Citação norma MLAWillging, Eugene P. The Index to Catholic Pamphlets in the English Language. Catholic University of America Press, 1949.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.