Cita APA (7th ed.)
Ekholm-Miller, S. (1973). The Olmec rock carving at Xoc, Chiapas, Mexico. New World Archaeological Foundation.
Cita Chicago (17th ed.)
Ekholm-Miller, Susanna. The Olmec Rock Carving at Xoc, Chiapas, Mexico. Provo, Utah: New World Archaeological Foundation, 1973.
Cita MLA (9th ed.)
Ekholm-Miller, Susanna. The Olmec Rock Carving at Xoc, Chiapas, Mexico. New World Archaeological Foundation, 1973.
Atenció: Aquestes cites poden no estar 100% correctes.