APA (7th ed.) Citation

Campbell, L., & Poser, W. J. (2008). Language classification: History and method. Cambridge University press.

Chicago Style (17th ed.) Citation

Campbell, Lyle, and William John Poser. Language Classification: History and Method. Cambridge: Cambridge University press, 2008.

MLA (8th ed.) Citation

Campbell, Lyle, and William John Poser. Language Classification: History and Method. Cambridge University press, 2008.

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