APA (7th ed.) Citation

Sinclair, J. (1987). Collins Cobuild English language dictionary. Collins.

Chicago Style (17th ed.) Citation

Sinclair, John. Collins Cobuild English Language Dictionary. London: Collins, 1987.

MLA (9th ed.) Citation

Sinclair, John. Collins Cobuild English Language Dictionary. Collins, 1987.

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