World Data Center A. (1961). Eight 6-monthly catalogue of data in IGY World Data Center A. [publisher not identified].
Chicago Style (17th ed.) CitationWorld Data Center A. Eight 6-monthly Catalogue of Data in IGY World Data Center A. Washington: [publisher not identified], 1961.
MLA (9th ed.) CitationWorld Data Center A. Eight 6-monthly Catalogue of Data in IGY World Data Center A. [publisher not identified], 1961.
Warning: These citations may not always be 100% accurate.