APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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