Cita APA (7a ed.)

Yule, G. (1996). The study of language (2a. ed.). University of Cambridge.

Cita Chicago Style (17a ed.)

Yule, George. The Study of Language. 2a. ed. Nueva York: University of Cambridge, 1996.

Cita MLA (9a ed.)

Yule, George. The Study of Language. 2a. ed. University of Cambridge, 1996.