International Astronomical Union. Colloquium, International Astronomical Union, Kołaczek, B., & Weiffenbach, G. C. (1975). On reference coordinate systems for earth dynamics. The Union.
Chicago Style (17th ed.) CitationInternational Astronomical Union. Colloquium, International Astronomical Union, Barbara Kołaczek, and George Charles Weiffenbach. On Reference Coordinate Systems for Earth Dynamics. Warsaw: The Union, 1975.
MLA (9th ed.) CitationInternational Astronomical Union. Colloquium, et al. On Reference Coordinate Systems for Earth Dynamics. The Union, 1975.
Warning: These citations may not always be 100% accurate.