Cita APA (7a ed.)

Wardhaugh, R., & Fuller, J. M. (2015). An introduction to sociolinguistics (Seventh edition.). Wiley Blackwell.

Cita Chicago Style (17a ed.)

Wardhaugh, Ronald, y Janet M. Fuller. An Introduction to Sociolinguistics. Seventh edition. Chichester, West Sussex, UK ; Malden, MA: Wiley Blackwell, 2015.

Cita MLA (8a ed.)

Wardhaugh, Ronald, y Janet M. Fuller. An Introduction to Sociolinguistics. Seventh edition. Wiley Blackwell, 2015.