APA (7e ed.) Bronvermelding

Não informado. (1967). Quarterly Journal of Engineering Geology. Geological Society of London.

Chicago (17e ed.) Bronvermelding

Não informado. Quarterly Journal of Engineering Geology. London: Geological Society of London, 1967.

MLA (8e ed.) Bronvermelding

Não informado. Quarterly Journal of Engineering Geology. Geological Society of London, 1967.

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