APA način citiranja (7. izdanje)

O'Donnell, W. R., & Todd, L. (1991). Variety in contemporary English. Harper Collins Academic.

Čikaški stil citiranja (17. izdanje)

O'Donnell, W. R., i Loreto Todd. Variety in Contemporary English. London: Harper Collins Academic, 1991.

MLA način citiranja (9. izdanje)

O'Donnell, W. R., i Loreto Todd. Variety in Contemporary English. Harper Collins Academic, 1991.