APA (7th ed.) Citation

Scott, L., & Scott, D. (2002). Natural English: Intermediate workbook with key. Oxford University Press.

Chicago Style (17th ed.) Citation

Scott, Lyn, and David Scott. Natural English: Intermediate Workbook with Key. Oxford: Oxford University Press, 2002.

MLA (9th ed.) Citation

Scott, Lyn, and David Scott. Natural English: Intermediate Workbook with Key. Oxford University Press, 2002.

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