Παραπομπή σε μορφή APA (7η εκδ.)

Algeo, J., Butcher, C. A., & Pyles, T. (2014). The origins and development of the English language (Seventh edition.). Wadsworth Cengage Learning.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Algeo, John, Carmen Acevedo Butcher, και Thomas Pyles. The Origins and Development of the English Language. Seventh edition. Boston, MA: Wadsworth Cengage Learning, 2014.

Παραπομπή σε μορφή MLA (9th εκδ.)

Algeo, John, et al. The Origins and Development of the English Language. Seventh edition. Wadsworth Cengage Learning, 2014.