Cita APA (7a ed.)

Yule, G. (1985). The study of language: An introduction. Cambridge University Press.

Cita Chicago Style (17a ed.)

Yule, George. The Study of Language: An Introduction. Cambridge: Cambridge University Press, 1985.

Cita MLA (9a ed.)

Yule, George. The Study of Language: An Introduction. Cambridge University Press, 1985.