Cita APA (7a ed.)

Williams, M. (2002). Unlocking writing: A guide for teachers. David Fulton.

Cita Chicago Style (17a ed.)

Williams, Mary. Unlocking Writing: A Guide for Teachers. London: David Fulton, 2002.

Cita MLA (8a ed.)

Williams, Mary. Unlocking Writing: A Guide for Teachers. David Fulton, 2002.