Cita APA (7a ed.)

Yule, G. (2009). The study of language (3rd ed., 6th printing, [thoroughly rev. and updated].). Cambridge University Press.

Cita Chicago Style (17a ed.)

Yule, George. The Study of Language. 3rd ed., 6th printing, [thoroughly rev. and updated]. Cambridge, UK ; New York: Cambridge University Press, 2009.

Cita MLA (9a ed.)

Yule, George. The Study of Language. 3rd ed., 6th printing, [thoroughly rev. and updated]. Cambridge University Press, 2009.