Cita APA (7a ed.)

Gurney, O. (1961). The hittites. Pengui.

Cita Chicago Style (17a ed.)

Gurney, O.R. The Hittites. New York: Pengui, 1961.

Cita MLA (9a ed.)

Gurney, O.R. The Hittites. Pengui, 1961.