Cita APA (7a ed.)

Oldfield, R. C., & Marshall, J. C. (1971). Language: Selected readings. Penguin.

Cita Chicago Style (17a ed.)

Oldfield, Richard Charles, y J. C. Marshall. Language: Selected Readings. Harmondsworth [etc.]: Penguin, 1971.

Cita MLA (9a ed.)

Oldfield, Richard Charles, y J. C. Marshall. Language: Selected Readings. Penguin, 1971.