APA (7th ed.) Citation

Labov, W. (2010). Principles of linguistic change. Wiley-Blackwell.

Chicago Style (17th ed.) Citation

Labov, William. Principles of Linguistic Change. Oxford, [England]: Wiley-Blackwell, 2010.

MLA (9th ed.) Citation

Labov, William. Principles of Linguistic Change. Wiley-Blackwell, 2010.