Cita APA (7a ed.)

Palencia, R., & Driscoll, L. (1997). Over to you: Students' book.

Cita Chicago Style (17a ed.)

Palencia, R., y L. Driscoll. Over to You: Students' Book. Edinburgh, 1997.

Cita MLA (9a ed.)

Palencia, R., y L. Driscoll. Over to You: Students' Book. 1997.