Cita APA (7a ed.)

Winthrop Publishers & Shopen, T. (1979). Languages and their status. Winthrop Publishers.

Cita Chicago Style (17a ed.)

Winthrop Publishers y Timothy Shopen. Languages and Their Status. Cambridge, Mass.: Winthrop Publishers, 1979.

Cita MLA (9a ed.)

Winthrop Publishers y Timothy Shopen. Languages and Their Status. Winthrop Publishers, 1979.