Cita APA (7a ed.)

Marsh, D., & Hodsdon, A. (2008). The guardian book of english language. Guardian Creative.

Cita Chicago Style (17a ed.)

Marsh, David, y Amelia Hodsdon. The Guardian Book of English Language. UK: Guardian Creative, 2008.

Cita MLA (9a ed.)

Marsh, David, y Amelia Hodsdon. The Guardian Book of English Language. Guardian Creative, 2008.