APA (7th ed.) Citation

World Archaeological Congress, Blench, R., & Spriggs, M. (1999). Archaeology and language. Routledge.

Chicago Style (17th ed.) Citation

World Archaeological Congress, Roger Blench, and Matthew Spriggs. Archaeology and Language. London [etc.]: Routledge, 1999.

MLA (9th ed.) Citation

World Archaeological Congress, et al. Archaeology and Language. Routledge, 1999.