Smithsonian Astrophysical Observatory, Camb., Mass. (1966). Star catalog: Positions and proper motions of 258,997 stars for the epoch and equinox of 1950. Smithsonian Institute.
Chicago Style (17th ed.) CitationSmithsonian Astrophysical Observatory, Camb., Mass. Star Catalog: Positions and Proper Motions of 258,997 Stars for the Epoch and Equinox of 1950. Washington, D.C.: Smithsonian Institute, 1966.
MLA (8th ed.) CitationSmithsonian Astrophysical Observatory, Camb., Mass. Star Catalog: Positions and Proper Motions of 258,997 Stars for the Epoch and Equinox of 1950. Smithsonian Institute, 1966.
Warning: These citations may not always be 100% accurate.