Cita APA (7a ed.)
Norman, V. G. (1973). Izapa sculpture. New World Archaeological Foundation.
Cita Chicago Style (17a ed.)
Norman, V. Garth. Izapa Sculpture. Provo, Utah: New World Archaeological Foundation, 1973.
Cita MLA (9a ed.)
Norman, V. Garth. Izapa Sculpture. New World Archaeological Foundation, 1973.
警告：這些引文格式不一定是100％准確.