Cita APA (7a ed.)

Sinclair, J. (1990). Collins cobuild student's dictionary. HarperCollins.

Cita Chicago Style (17a ed.)

Sinclair, John. Collins Cobuild Student's Dictionary. London: HarperCollins, 1990.

Cita MLA (8a ed.)

Sinclair, John. Collins Cobuild Student's Dictionary. HarperCollins, 1990.