Zablocki, C. J. (1951). Pope Pius XII on World Federation. Washington, D.C..
Chicago Style (17th ed.) CitationZablocki, Clement John. Pope Pius XII on World Federation. Washington, D.C., 1951.
MLA (8th ed.) CitationZablocki, Clement John. Pope Pius XII on World Federation. Washington, D.C., 1951.
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