Cita APA (7a ed.)

Frayne, D. (1997). Ur III Period (2112-2004 BC). University of Toronto Press.

Cita Chicago Style (17a ed.)

Frayne, Douglas. Ur III Period (2112-2004 BC). Toronto [Ont.]: University of Toronto Press, 1997.

Cita MLA (8a ed.)

Frayne, Douglas. Ur III Period (2112-2004 BC). University of Toronto Press, 1997.