Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

Crowley, Terry. An Introduction to Historical Linguistics. 3rd ed. Auckland [etc.]: Oxford University Press, 1998.

Cita MLA (9a ed.)

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