Cita APA (7a ed.)
Norman, V. G., & Bird, S. Izapa Sculpture: Part 2 : Text. Brigham Young University, New World Archaeological Foundation.
Cita estilo Chicago (17a ed.)
Norman, V. Garth, y Stephanie Bird. Izapa Sculpture: Part 2 : Text. Provo, EUA: Brigham Young University, New World Archaeological Foundation.
Cita MLA (9a ed.)
Norman, V. Garth, y Stephanie Bird. Izapa Sculpture: Part 2 : Text. Brigham Young University, New World Archaeological Foundation.
Precaución: Estas citas no son 100% exactas.