APA (7th ed.) Citation

Hayes, J. (1997). Sumerian. Languages of the world / Materials.

Chicago Style (17th ed.) Citation

Hayes, John. "Sumerian." Languages of the World / Materials 1997.

MLA (8th ed.) Citation

Hayes, John. "Sumerian." Languages of the World / Materials, 1997.

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