Cita APA (7th ed.)

Lyons, J. (1968). Introduction to theoretical linguistics (1a. ed.). Cambridge University Press.

Cita Chicago (17th ed.)

Lyons, John. Introduction to Theoretical Linguistics. 1a. ed. Nueva York: Cambridge University Press, 1968.

Cita MLA (9th ed.)

Lyons, John. Introduction to Theoretical Linguistics. 1a. ed. Cambridge University Press, 1968.