APA (7th ed.) Citation

Wardhaugh, R. (1986). An introduction to sociolinguistics (1. publ.). Blackwell.

Chicago Style (17th ed.) Citation

Wardhaugh, Ronald. An Introduction to Sociolinguistics. 1. publ. Oxford: Blackwell, 1986.

MLA (9th ed.) Citation

Wardhaugh, Ronald. An Introduction to Sociolinguistics. 1. publ. Blackwell, 1986.

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