APA (7th ed.) Citation

Gragg, G. В., Levi, J. N., & Peranteu, P. M. (1972). Sumerian and Selected Afro-Asiatic Languages.

Chicago Style (17th ed.) Citation

Gragg, Gene В., Judith N. Levi, and Paul M. Peranteu. Sumerian and Selected Afro-Asiatic Languages. 1972.

MLA (8th ed.) Citation

Gragg, Gene В., et al. Sumerian and Selected Afro-Asiatic Languages. 1972.