APA (7th ed.) Citation

Gomm, H., Cotton, D., Falvey, D., & Kent, S. (2006). Market leader: Upper intermediate business English (1. publ.). Longman.

Chicago Style (17th ed.) Citation

Gomm, Helena, David Cotton, David Falvey, and Simon Kent. Market Leader: Upper Intermediate Business English. 1. publ. Harlow: Longman, 2006.

MLA (9th ed.) Citation

Gomm, Helena, et al. Market Leader: Upper Intermediate Business English. 1. publ. Longman, 2006.