APA (7th ed.) Citation

Downing, R. A., Price, M., & Jones, G. P. (1993). The Hydrogeology of the Chalk of North-west Europe. Clarendon Press ; Oxford University Press.

Chicago Style (17th ed.) Citation

Downing, Richard A., Michael Price, and G. P. Jones. The Hydrogeology of the Chalk of North-west Europe. Oxford : New York: Clarendon Press ; Oxford University Press, 1993.

MLA (9th ed.) Citation

Downing, Richard A., et al. The Hydrogeology of the Chalk of North-west Europe. Clarendon Press ; Oxford University Press, 1993.