Cita APA (7th ed.)

Hudson, R. A. (2001). Sociolinguistics (2nd ed.). Cambridge University Press.

Cita Chicago (17th ed.)

Hudson, Richard A. Sociolinguistics. 2nd ed. Cambridge [England] ; New York, NY, USA: Cambridge University Press, 2001.

Cita MLA (8th ed.)

Hudson, Richard A. Sociolinguistics. 2nd ed. Cambridge University Press, 2001.