Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

Lyons, John. Introduction to Theoretical Linguistics. 1a ed. 1968. London: Cambridge Univesity Press, 1968.

Cita MLA (9a ed.)

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