APA (7th ed.) Citation

Wardhaugh, R. (2010). An Introduction to sociolinguistics. Wiley-Blackwell.

Chicago Style (17th ed.) Citation

Wardhaugh, Ronald. An Introduction to Sociolinguistics. West Sussex: Wiley-Blackwell, 2010.

MLA (9th ed.) Citation

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