APA (7th ed.) Citation

Chambers, J. K., Trudgill, P., & Schilling-Estes, N. (2004). The Handbook of language variation and change. Blackwell Publishers.

Chicago Style (17th ed.) Citation

Chambers, J. K., Peter Trudgill, and Natalie Schilling-Estes. The Handbook of Language Variation and Change. Malden, Mass: Blackwell Publishers, 2004.

MLA (9th ed.) Citation

Chambers, J. K., et al. The Handbook of Language Variation and Change. Blackwell Publishers, 2004.