APA (7th ed.) Citation

Labov, W. (1994). Principles of linguistic change. Blackwell.

Chicago Style (17th ed.) Citation

Labov, William. Principles of Linguistic Change. Oxford, UK, Cambridge [Mass.]: Blackwell, 1994.

MLA (9th ed.) Citation

Labov, William. Principles of Linguistic Change. Blackwell, 1994.

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