APA-Zitierstil (7. Ausg.)

Soars, L., Soars, L., & Wheeldon, S. (2010). American Headway 4: The world's most trusted English course. Workbook (2a. ed.). Oxford University Press.

Chicago-Zitierstil (17. Ausg.)

Soars, Liz, Liz Soars, und Sylvia Wheeldon. American Headway 4: The World's Most Trusted English Course. Workbook. 2a. ed. Nueva York: Oxford University Press, 2010.

MLA-Zitierstil (9. Ausg.)

Soars, Liz, et al. American Headway 4: The World's Most Trusted English Course. Workbook. 2a. ed. Oxford University Press, 2010.