APA (7th ed.) Citation

Wardhaugh, R. (2006). An introduction to sociolinguistics (Fifth Edition.). Blackwell Pub..

Chicago Style (17th ed.) Citation

Wardhaugh, Ronald. An Introduction to Sociolinguistics. Fifth Edition. Malden, Mass., USA: Blackwell Pub., 2006.

MLA (8th ed.) Citation

Wardhaugh, Ronald. An Introduction to Sociolinguistics. Fifth Edition. Blackwell Pub., 2006.

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