Cita APA (7a ed.)

Pyles, T. (1971). The origins and development of the english language (2nd ed.). Harcourt Brace Javanovich.

Cita Chicago Style (17a ed.)

Pyles, Thomas. The Origins and Development of the English Language. 2nd ed. New York: Harcourt Brace Javanovich, 1971.

Cita MLA (9a ed.)

Pyles, Thomas. The Origins and Development of the English Language. 2nd ed. Harcourt Brace Javanovich, 1971.