2011-10-10. Retrieved 2012-10-19. ↑ Aviation Week & Space Technology, 14 May 2012 edition, Cessna Unveils Citation Longitude ↑ "Citation M2". ↑ "Citation CJ3+". ↑ "Citation CJ4". ↑ "Citation XLS+". ↑ "Citation Latitude". ↑ "Citation Sovereign". ↑ "Citation X+". Archived from the original on 2015-11-15.