APA (7th ed.) Citation

Andersson, L., & Trudgill, P. (1990). Bad language. Basil Blackwell.

Chicago Style (17th ed.) Citation

Andersson, Lars-Gunnar, and Peter Trudgill. Bad Language. Oxford [etc.]: Basil Blackwell, 1990.

MLA (9th ed.) Citation

Andersson, Lars-Gunnar, and Peter Trudgill. Bad Language. Basil Blackwell, 1990.

Warning: These citations may not always be 100% accurate.