APA (7th ed.) Citation

Klengel, H., & Genz, H. (2011). History of the Hittites.

Chicago Style (17th ed.) Citation

Klengel, Horst, and H. Genz. History of the Hittites. 2011.

MLA (8th ed.) Citation

Klengel, Horst, and H. Genz. History of the Hittites. 2011.

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