APA (7th ed.) Citation

University of Birmingham & Sinclair, J. (1992). Collins COBUILD English usage. HarperCollins.

Chicago Style (17th ed.) Citation

University of Birmingham and John Sinclair. Collins COBUILD English Usage. London: HarperCollins, 1992.

MLA (8th ed.) Citation

University of Birmingham and John Sinclair. Collins COBUILD English Usage. HarperCollins, 1992.

Warning: These citations may not always be 100% accurate.