Cita APA (7a ed.)

Collins. (1996). Collins cobuild Learner's dictionary. HarperCollins.

Cita Chicago Style (17a ed.)

Collins. Collins Cobuild Learner's Dictionary. London: HarperCollins, 1996.

Cita MLA (9a ed.)

Collins. Collins Cobuild Learner's Dictionary. HarperCollins, 1996.