International Astronomical Union. Commission 27 & International Astronomical Union. Commission 42. (1961). Information bulletin on variable stars. Konkoly Observatory.
Chicago Style (17th ed.) CitationInternational Astronomical Union. Commission 27 and International Astronomical Union. Commission 42. Information Bulletin on Variable Stars. Budapest: Konkoly Observatory, 1961.
MLA (9th ed.) CitationInternational Astronomical Union. Commission 27 and International Astronomical Union. Commission 42. Information Bulletin on Variable Stars. Konkoly Observatory, 1961.
Warning: These citations may not always be 100% accurate.