APA (7th ed.) Citation

Wardhaugh, R. (2006). An introduction to sociolinguistics (5. ed.). Blackwell.

Chicago Style (17th ed.) Citation

Wardhaugh, Ronald. An Introduction to Sociolinguistics. 5. ed. Malden, MA: Blackwell, 2006.

MLA (9th ed.) Citation

Wardhaugh, Ronald. An Introduction to Sociolinguistics. 5. ed. Blackwell, 2006.

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