Hammond (C.S.) and Company, inc. (1952). Indexed atlas of the United States. [s.n.].
Chicago Style (17th ed.) CitationHammond (C.S.) and Company, inc. Indexed Atlas of the United States. New York: [s.n.], 1952.
MLA (9th ed.) CitationHammond (C.S.) and Company, inc. Indexed Atlas of the United States. [s.n.], 1952.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.