ECU Libraries Catalog
Selected astronomical catalogs
MLA
Selected Astronomical Catalogs. Greenbelt, Md.: Goddard Space Flight Center, Astronomical Data Center, NSSDC, 1991.
APA
(1991). Selected astronomical catalogs. Greenbelt, Md.: Goddard Space Flight Center, Astronomical Data Center, NSSDC.
Chicago
Selected Astronomical Catalogs. Greenbelt, Md.: Goddard Space Flight Center, Astronomical Data Center, NSSDC, 1991.