Cita APA (7a ed.)

Pyles, T. (1971). The origins and Development of the English Language (2.). Harcourt,Brace & World.

Cita Chicago Style (17a ed.)

Pyles, Thomas. The Origins and Development of the English Language. 2. New York, Estados Unidos: Harcourt,Brace & World, 1971.

Cita MLA (9a ed.)

Pyles, Thomas. The Origins and Development of the English Language. 2. Harcourt,Brace & World, 1971.