Cita APA

Pyles, T., & Pyles, T. (1971). The Origins and development of the English language (2. edition.). New York, New York: Harcourt Brace Jovanovich.

Citación estilo Chicago

Pyles, Thomas, y Thomas Pyles. The Origins and Development of the English Language. 2. edition. New York, New York: Harcourt Brace Jovanovich, 1971.

Cita MLA

Pyles, Thomas, y Thomas Pyles. The Origins and Development of the English Language. 2. edition. New York, New York: Harcourt Brace Jovanovich, 1971.