Lua APA (7ú heag.)
Wicke, C. R. (1971). Olmec: An early art style of precolumbian Mexico. University of Arizona Press.
Lua i Stíl Chicago (17ú heag.)
Wicke, Charles R. Olmec: An Early Art Style of Precolumbian Mexico. Tucson, Arizona: University of Arizona Press, 1971.
Lua MLA (9ú heag.)
Wicke, Charles R. Olmec: An Early Art Style of Precolumbian Mexico. University of Arizona Press, 1971.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.