New headway : elementary : student's book.

MLA

Soars, Liz, John Soars, and Sylvia Wheeldon. New Headway : Elementary : Student's Book. 3rd ed. Oxford: University Press, 2006.

APA

Soars, L., Soars, J., & Wheeldon, S. (2006). New headway : elementary : student's book. 3rd ed. Oxford: University Press.

Chicago

Soars, Liz, John Soars, and Sylvia Wheeldon. New Headway: Elementary : Student's Book. 3rd ed. Oxford: University Press, 2006.