Cita APA (7a ed.)

Carter, R., Hughes, R., & McCarthy, M. (2000). Exploring grammar in context: Upper-intermediate and advanced. Cambridge University.

Cita Chicago Style (17a ed.)

Carter, Ronald, Rebecca Hughes, y Michael McCarthy. Exploring Grammar in Context: Upper-intermediate and Advanced. Cambridge: Cambridge University, 2000.

Cita MLA (9a ed.)

Carter, Ronald, et al. Exploring Grammar in Context: Upper-intermediate and Advanced. Cambridge University, 2000.