APA (7th ed.) Citation

Lehmann, W. P. Historical linguistics an introduction. Routledge.

Chicago Style (17th ed.) Citation

Lehmann, Winfred P. Historical Linguistics an Introduction. Routledge.

MLA (8th ed.) Citation

Lehmann, Winfred P. Historical Linguistics an Introduction. Routledge.

Warning: These citations may not always be 100% accurate.