APA (7th ed.) Citation

Dudley-Evans, T., Henderson, W., & Backhouse, R. E. (1993). Economics and language. Routledge.

Chicago Style (17th ed.) Citation

Dudley-Evans, Tony, Willie Henderson, and Roger E. Backhouse. Economics and Language. London [etc.]: Routledge, 1993.

MLA (9th ed.) Citation

Dudley-Evans, Tony, et al. Economics and Language. Routledge, 1993.