Cita APA (7a ed.)

Williams, M. (2013). Unlocking writing: A guide for teachers. Routledge.

Cita Chicago Style (17a ed.)

Williams, Mary. Unlocking Writing: A Guide for Teachers. London: Routledge, 2013.

Cita MLA (9a ed.)

Williams, Mary. Unlocking Writing: A Guide for Teachers. Routledge, 2013.