APA (7th ed.) Citation

Eastwood, J., & Mackin, R. (1984). A basic english grammar (Spanish ed.). Oxford University Press.

Chicago Style (17th ed.) Citation

Eastwood, John, and Ronald Mackin. A Basic English Grammar. Spanish ed. Oxford: Oxford University Press, 1984.

MLA (9th ed.) Citation

Eastwood, John, and Ronald Mackin. A Basic English Grammar. Spanish ed. Oxford University Press, 1984.