APA (7th ed.) Citation

Wardhaugh, R. (2003). An introduction to sociolinguistics (4. ed., repr.). Blackwell.

Chicago Style (17th ed.) Citation

Wardhaugh, Ronald. An Introduction to Sociolinguistics. 4. ed., repr. Malden, Mass. [u.a.]: Blackwell, 2003.

MLA (9th ed.) Citation

Wardhaugh, Ronald. An Introduction to Sociolinguistics. 4. ed., repr. Blackwell, 2003.