Não informado. (1962). Bulletin. California Division of Mines and Geology.
Chicago (17e ed.) BronvermeldingNão informado. Bulletin. Sacramento, Calif: California Division of Mines and Geology, 1962.
MLA (8e ed.) BronvermeldingNão informado. Bulletin. California Division of Mines and Geology, 1962.
Let op: Deze citaties zijn niet altijd 100% accuraat.