APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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