Cita APA (7a ed.)

Sinclair, J. (1988). Collins COBUILD essential dictionary. HarperCollins.

Cita Chicago Style (17a ed.)

Sinclair, John. Collins COBUILD Essential Dictionary. London: HarperCollins, 1988.

Cita MLA (9a ed.)

Sinclair, John. Collins COBUILD Essential Dictionary. HarperCollins, 1988.