APA (7th ed.) Citation

Gurney, O. R. (1990). The Hittites. Penguin Press.

Chicago Style (17th ed.) Citation

Gurney, Oliver Robert. The Hittites. Penguin Press, 1990.

MLA (8th ed.) Citation

Gurney, Oliver Robert. The Hittites. Penguin Press, 1990.

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