APA Style

Crowley, Terry. (). An Introduction to Historical Linguistics . New York: Oxford University Press.

Chicago Style

Crowley, Terry. An Introduction to Historical Linguistics. New York: Oxford University Press, . Text.

MLA Style

Crowley, Terry. An Introduction to Historical Linguistics. New York: Oxford University Press, . Text.

Turabian Style

Crowley, Terry. An Introduction to Historical Linguistics. New York: Oxford University Press, . Print.