APA (7th ed.) Citation

Cotton, D., & Robbins, S. (1993). Business class. Nelson English Language Teaching.

Chicago Style (17th ed.) Citation

Cotton, David, and Sue Robbins. Business Class. London: Nelson English Language Teaching, 1993.

MLA (9th ed.) Citation

Cotton, David, and Sue Robbins. Business Class. Nelson English Language Teaching, 1993.

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