Cita APA (7a ed.)

Van Herk, G. (2012). What is sociolinguistics? Wiley-Blackwell.

Cita Chicago Style (17a ed.)

Van Herk, Gerard. What Is Sociolinguistics? Chichester [etc.]: Wiley-Blackwell, 2012.

Cita MLA (9a ed.)

Van Herk, Gerard. What Is Sociolinguistics? Wiley-Blackwell, 2012.