Hammond (C.S.) and Company, inc. (1952). Indexed atlas of the United States. [s.n.].
Chicago (17e ed.) BronvermeldingHammond (C.S.) and Company, inc. Indexed Atlas of the United States. New York: [s.n.], 1952.
MLA (9e ed.) BronvermeldingHammond (C.S.) and Company, inc. Indexed Atlas of the United States. [s.n.], 1952.
Let op: Deze citaties zijn niet altijd 100% accuraat.