Não informado. (1918). Journal of the Patent Office Society. Patent Office Society.
Chicago (17e ed.) BronvermeldingNão informado. Journal of the Patent Office Society. Arlington, Va: Patent Office Society, 1918.
MLA (8e ed.) BronvermeldingNão informado. Journal of the Patent Office Society. Patent Office Society, 1918.
Let op: Deze citaties zijn niet altijd 100% accuraat.