APA Edition Citation

Deckker, P. D., Dunkerley, D., & Williams, M. (1998). Quaternary environment.

Chicago Edition Citation

Deckker, Patrick De, David Dunkerley, and Martin Williams. Quaternary Environment. London, Member of the Hodder Headline Group, 1998.

MLA Edition Citation

Deckker, Patrick De, et al. Quaternary Environment. 1998.