Cita APA (7th ed.)

Pei, M. (1966). The Story of language (2nd ed.). Allen& Unwin.

Cita Chicago (17th ed.)

Pei, Mario. The Story of Language. 2nd ed. London: Allen& Unwin, 1966.

Cita MLA (9th ed.)

Pei, Mario. The Story of Language. 2nd ed. Allen& Unwin, 1966.