APA (7th ed.) Citation

ScienceDirect (Online service), Ashton, N., Lewis, S. G., & Stringer, C. (2010). The ancient human occupation of Britain. Elsevier.

Chicago Style (17th ed.) Citation

ScienceDirect (Online service), Nick Ashton, Simon G. Lewis, and Chris Stringer. The Ancient Human Occupation of Britain. Amsterdam ; Boston ; London: Elsevier, 2010.

MLA (9th ed.) Citation

ScienceDirect (Online service), et al. The Ancient Human Occupation of Britain. Elsevier, 2010.