APA (7th ed.) Citation

Wardhaugh, R. (2001). An introduction to sociolinguistics (Fourth edition.). Blackwell Publishers.

Chicago Style (17th ed.) Citation

Wardhaugh, Ronald. An Introduction to Sociolinguistics. Fourth edition. Malden, Mass.: Blackwell Publishers, 2001.

MLA (8th ed.) Citation

Wardhaugh, Ronald. An Introduction to Sociolinguistics. Fourth edition. Blackwell Publishers, 2001.

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