Cita APA (7a ed.)

Swales, J. M., & Williams, R. C. Common ground. Shared interests in esp and communication studies.

Cita Chicago Style (17a ed.)

Swales, John M., y Ray C. Williams. Common Ground. Shared Interests in Esp and Communication Studies.

Cita MLA (8a ed.)

Swales, John M., y Ray C. Williams. Common Ground. Shared Interests in Esp and Communication Studies.