Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (8th ed.)

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