APA (7th ed.) Citation

Soars, J., Soars, L., & Wheeldon, S. (2006). New Headway: Elementary: Student's Book (3 ed.).

Chicago Style (17th ed.) Citation

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

MLA (8th ed.) Citation

Soars, John, et al. New Headway: Elementary: Student's Book. 3 ed. 2006.