APA (7th ed.) Citation

Pei, M. A. (1949). The story of language. The New York American Library.

Chicago Style (17th ed.) Citation

Pei, Mario Andrew. The Story of Language. Nueva York: The New York American Library, 1949.

MLA (9th ed.) Citation

Pei, Mario Andrew. The Story of Language. The New York American Library, 1949.