Não informado. (1960). Map and Chart Series. New York State Geological Survey.
Chicago (17e ed.) BronvermeldingNão informado. Map and Chart Series. Albany, NY: New York State Geological Survey, 1960.
MLA (8e ed.) BronvermeldingNão informado. Map and Chart Series. New York State Geological Survey, 1960.
Let op: Deze citaties zijn niet altijd 100% accuraat.