The story of language.

MLA

Pei, Mario and Gotham Book Mart Collection (University of Pennsylvania). The story of language. [First edition]. Philadelphia : Lippincott Co., [1949]

APA

Pei, M. & Gotham Book Mart Collection (University of Pennsylvania). (1949). The story of language. [First edition]. Philadelphia : Lippincott Co..

Chicago

Pei, Mario and Gotham Book Mart Collection (University of Pennsylvania). The story of language. [First edition]. Philadelphia : Lippincott Co., [1949]