Cita APA (7a ed.)

Rivers, W. M. (1983). Speaking in many tongues: Essays in foreign-language teaching (3rd ed.). Cambridge University Press.

Cita Chicago Style (17a ed.)

Rivers, Wilga M. Speaking in Many Tongues: Essays in Foreign-language Teaching. 3rd ed. Cambridge: Cambridge University Press, 1983.

Cita MLA (8a ed.)

Rivers, Wilga M. Speaking in Many Tongues: Essays in Foreign-language Teaching. 3rd ed. Cambridge University Press, 1983.