Cita APA (7th ed.)

Robins, R. H. (1989). General linguistics: An introductory survey (4th ed.). Longman.

Cita Chicago (17th ed.)

Robins, R. H. General Linguistics: An Introductory Survey. 4th ed. London, New York: Longman, 1989.

Cita MLA (9th ed.)

Robins, R. H. General Linguistics: An Introductory Survey. 4th ed. Longman, 1989.