APA (7th ed.) Citation

Wardhaugh, R. (2010). An introduction to sociolinguistics (6th ed.). Wiley-Blackwell.

Chicago Style (17th ed.) Citation

Wardhaugh, Ronald. An Introduction to Sociolinguistics. 6th ed. Chichester, West Sussex, [England]: Wiley-Blackwell, 2010.

MLA (9th ed.) Citation

Wardhaugh, Ronald. An Introduction to Sociolinguistics. 6th ed. Wiley-Blackwell, 2010.

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