Cita APA (7a ed.)

Aitchison, J. (1992). Linguistics (4th ed.). [s.n].

Cita Chicago Style (17a ed.)

Aitchison, Jean. Linguistics. 4th ed. Hodder & Stoughton, London [etc.]: [s.n], 1992.

Cita MLA (9a ed.)

Aitchison, Jean. Linguistics. 4th ed. [s.n], 1992.