Cita APA (7a ed.)

CHACÓN BELTRÁN, R. A. (2013). An introduction to sociolinguistics. UNED.

Cita Chicago Style (17a ed.)

CHACÓN BELTRÁN, Rubén Autor. An Introduction to Sociolinguistics. ES: UNED, 2013.

Cita MLA (9a ed.)

CHACÓN BELTRÁN, Rubén Autor. An Introduction to Sociolinguistics. UNED, 2013.