APA (7th ed.) Citation

Crowley, T. (1998). An introduction to historical linguistics (3rd ed.). Oxford University Press.

Chicago Style (17th ed.) Citation

Crowley, Terry. An Introduction to Historical Linguistics. 3rd ed. Auckland, N.Z: Oxford University Press, 1998.

MLA (9th ed.) Citation

Crowley, Terry. An Introduction to Historical Linguistics. 3rd ed. Oxford University Press, 1998.