Cita APA (7th ed.)
Norman, V. G. (1973). Izapa sculpture. New World Archaeological Foundation.
Cita Chicago (17th ed.)
Norman, V. Garth. Izapa Sculpture. Provo, Utah: New World Archaeological Foundation, 1973.
Cita MLA (9th ed.)
Norman, V. Garth. Izapa Sculpture. New World Archaeological Foundation, 1973.
Atenció: Aquestes cites poden no estar 100% correctes.