Cita APA (7a ed.)

Freeman, M., & Ewan, C. (2014). Office for Learning and Teaching: SP13-3227. Office for Learning and Teaching.

Cita Chicago Style (17a ed.)

Freeman, Mark, y Christine Ewan. Office for Learning and Teaching: SP13-3227. Office for Learning and Teaching, 2014.

Cita MLA (9a ed.)

Freeman, Mark, y Christine Ewan. Office for Learning and Teaching: SP13-3227. Office for Learning and Teaching, 2014.