Cita APA (7th ed.)

Crowley, T. (1997). An introduction to historical linguistics (3a. ed.). Oxford University Press.

Cita Chicago (17th ed.)

Crowley, Terry. An Introduction to Historical Linguistics. 3a. ed. Auckland: Oxford University Press, 1997.

Cita MLA (9th ed.)

Crowley, Terry. An Introduction to Historical Linguistics. 3a. ed. Oxford University Press, 1997.