Cita APA (7th ed.)

Robins, R. H. (1971). General linguistics: An introductory survey (2nd ed.). Longman.

Cita Chicago (17th ed.)

Robins, R. H. General Linguistics: An Introductory Survey. 2nd ed. London: Longman, 1971.

Cita MLA (9th ed.)

Robins, R. H. General Linguistics: An Introductory Survey. 2nd ed. Longman, 1971.