Cita APA (7a ed.)

Gardiner, A. H. (1951). The theory of speech and language (2a. ed.). Oxford University Press.

Cita Chicago Style (17a ed.)

Gardiner, Alan H. The Theory of Speech and Language. 2a. ed. Nueva York: Oxford University Press, 1951.

Cita MLA (9a ed.)

Gardiner, Alan H. The Theory of Speech and Language. 2a. ed. Oxford University Press, 1951.