Citazione Stile APA (7a Edizione)

Slager, W. R., National Council of Teachers of English, McIntosh, L., Allen, H., & Leary, B. E. (1972). English for today: Book 2-A: the world we live in (2.ed.). McGraw-Hill Book Company.

Citazione stile Chigago Style (17a edizione)

Slager, William R., National Council of Teachers of English, Lois McIntosh, Harold Allen, e Bernice E. Leary. English for Today: Book 2-A: The World We Live in. 2.ed. New York, EUA: McGraw-Hill Book Company, 1972.

Citatione MLA (9a ed.)

Slager, William R., et al. English for Today: Book 2-A: The World We Live in. 2.ed. McGraw-Hill Book Company, 1972.