APA (7th ed.) Citation

Cotton D. David, Falvey D. David, & Kent S. Simon. (2003). Market Leader. Intermediate Business English: Practice File. Edinburgh, Longman, 2003.

Chicago Style (17th ed.) Citation

Cotton D. David, Falvey D. David, and Kent S. Simon. Market Leader. Intermediate Business English: Practice File. Edinburgh, Longman, 2003, 2003.

MLA (9th ed.) Citation

Cotton D. David, et al. Market Leader. Intermediate Business English: Practice File. Edinburgh, Longman, 2003, 2003.