Graefe, S. (2003). Crop and soil variability in traditional and modern Mayan maize cultivation of Yucatan, Mexico. Kassel Univ. Press.
Chicago Style (17th ed.) CitationGraefe, Sophie. Crop and Soil Variability in Traditional and Modern Mayan Maize Cultivation of Yucatan, Mexico. Kassel: Kassel Univ. Press, 2003.
MLA (9th ed.) CitationGraefe, Sophie. Crop and Soil Variability in Traditional and Modern Mayan Maize Cultivation of Yucatan, Mexico. Kassel Univ. Press, 2003.
Warning: These citations may not always be 100% accurate.