APA (7th ed.) Citation

Edwards, V. K., Trudgill, P., & Weltens, B. The grammar of English dialect: A survey of research. c1984.

Chicago Style (17th ed.) Citation

Edwards, V. K., Peter Trudgill, and Bert Weltens. The Grammar of English Dialect: A Survey of Research. London (Economic and Social Research Council): c1984.

MLA (8th ed.) Citation

Edwards, V. K., et al. The Grammar of English Dialect: A Survey of Research. c1984.