APA (7th ed.) Citation

Duckworth, M. (1998). Grammar & practice (Fully rev.). Oxford University Press.

Chicago Style (17th ed.) Citation

Duckworth, Michael. Grammar & Practice. Fully rev. Oxford: Oxford University Press, 1998.

MLA (9th ed.) Citation

Duckworth, Michael. Grammar & Practice. Fully rev. Oxford University Press, 1998.