(1967). New Catholic encyclopedia V.6: Fra to Hir. McGraw-Hill.
Trích dẫn kiểu ChicagoNew Catholic Encyclopedia V.6: Fra to Hir. McGraw-Hill, 1967.
MLA引文New Catholic Encyclopedia V.6: Fra to Hir. McGraw-Hill, 1967.
警告：这些引文格式不一定是100％准确.
APA引文