Cita APA (7a ed.)

Hobson, A. (2001). The Oxford dictionary of difficult words. Oxford University Press.

Cita Chicago Style (17a ed.)

Hobson, Archie. The Oxford Dictionary of Difficult Words. New York: Oxford University Press, 2001.

Cita MLA (8a ed.)

Hobson, Archie. The Oxford Dictionary of Difficult Words. Oxford University Press, 2001.