APA (7e ed.) Bronvermelding

Não informado. (1856). Abstracts of the Proceedings of the Geological Society of London. Geological Society of London.

Chicago (17e ed.) Bronvermelding

Não informado. Abstracts of the Proceedings of the Geological Society of London. London: Geological Society of London, 1856.

MLA (8e ed.) Bronvermelding

Não informado. Abstracts of the Proceedings of the Geological Society of London. Geological Society of London, 1856.

Let op: Deze citaties zijn niet altijd 100% accuraat.