APA (7th ed.) Citation

Soars. (2000). New headway English course: Elementary workbook without key. Oxford University Press.

Chicago Style (17th ed.) Citation

Soars. New Headway English Course: Elementary Workbook Without Key. Oxford: Oxford University Press, 2000.

MLA (8th ed.) Citation

Soars. New Headway English Course: Elementary Workbook Without Key. Oxford University Press, 2000.

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