APA (7th ed.) Citation

Dryer, M. S., Gil, D., & Haspelmath, M. (2005). The world Atlas of language structures. Oxford University Press.

Chicago Style (17th ed.) Citation

Dryer, Matthew S., David Gil, and Martin Haspelmath. The World Atlas of Language Structures. Oxford: Oxford University Press, 2005.

MLA (9th ed.) Citation

Dryer, Matthew S., et al. The World Atlas of Language Structures. Oxford University Press, 2005.