APA (7th ed.) Citation

Eastwood, J., & Mackin, R. (1990). A basic english grammar with exercises: Without key edition ([1st ed., 4th imp.].). Oxford University Press.

Chicago Style (17th ed.) Citation

Eastwood, John, and Ronald Mackin. A Basic English Grammar with Exercises: Without Key Edition. [1st ed., 4th imp.]. Oxford: Oxford University Press, 1990.

MLA (9th ed.) Citation

Eastwood, John, and Ronald Mackin. A Basic English Grammar with Exercises: Without Key Edition. [1st ed., 4th imp.]. Oxford University Press, 1990.