Cita APA (7a ed.)

Freeman, D., Freeman, Y. S., & Ocampo, J. M. (2011). Content-based Language Teaching. Universidad de Antioquia.

Cita Chicago Style (17a ed.)

Freeman, David, Yvonne S. Freeman, y José Manuel Ocampo. Content-based Language Teaching. Universidad de Antioquia, 2011.

Cita MLA (8a ed.)

Freeman, David, et al. Content-based Language Teaching. Universidad de Antioquia, 2011.