APA (7th ed.) Citation

Sinclair, J. (2013). Collins COBUILD illustrated intermediate dictionary of English (2nd ed.). National Geographic Learning.

Chicago Style (17th ed.) Citation

Sinclair, John. Collins COBUILD Illustrated Intermediate Dictionary of English. 2nd ed. Boston, Massachusetts: National Geographic Learning, 2013.

MLA (9th ed.) Citation

Sinclair, John. Collins COBUILD Illustrated Intermediate Dictionary of English. 2nd ed. National Geographic Learning, 2013.