Citazione Stile APA (7a Edizione)

Pei, M. A. (1965). The story of language (Revised edition.). New American Library.

Citazione stile Chigago Style (17a edizione)

Pei, Mario Andrew. The Story of Language. Revised edition. New York: New American Library, 1965.

Citatione MLA (9a ed.)

Pei, Mario Andrew. The Story of Language. Revised edition. New American Library, 1965.