APA (7th ed.) Citation

Cotton D. David, Falvey D. David, & Kent S. Simon. (2007). Market Leader. Pre-Intermediate Business English Course Book. Harlow, Longman, 2007.

Chicago Style (17th ed.) Citation

Cotton D. David, Falvey D. David, and Kent S. Simon. Market Leader. Pre-Intermediate Business English Course Book. Harlow, Longman, 2007, 2007.

MLA (9th ed.) Citation

Cotton D. David, et al. Market Leader. Pre-Intermediate Business English Course Book. Harlow, Longman, 2007, 2007.