APA (7th ed.) Citation

Harper Collins & Lawley, J. (1996). Collins Cobuild, vocabulary builders: Book 1. Harper Collins.

Chicago Style (17th ed.) Citation

Harper Collins and Jim Lawley. Collins Cobuild, Vocabulary Builders: Book 1. London: Harper Collins, 1996.

MLA (8th ed.) Citation

Harper Collins and Jim Lawley. Collins Cobuild, Vocabulary Builders: Book 1. Harper Collins, 1996.

Warning: These citations may not always be 100% accurate.