Não informado. (2009). Proceedings of the Birmingham Natural History Society. Birmingham Natural History and Philosophical Society.
Chicago (17e ed.) BronvermeldingNão informado. Proceedings of the Birmingham Natural History Society. Birmingham, Inglaterra: Birmingham Natural History and Philosophical Society, 2009.
MLA (8e ed.) BronvermeldingNão informado. Proceedings of the Birmingham Natural History Society. Birmingham Natural History and Philosophical Society, 2009.
Let op: Deze citaties zijn niet altijd 100% accuraat.