Diaz-Granados, C., & Duncan, J. R. (2000). The petroglyphs and pictographs of Missouri. Tuscaloosa: University of Alabama Press.
Чикагска система за цитиранеDiaz-Granados, Carol, и James Richard Duncan. The Petroglyphs and Pictographs of Missouri. Tuscaloosa: University of Alabama Press, 2000.
MLA формат за цитиранеDiaz-Granados, Carol, и James Richard Duncan. The Petroglyphs and Pictographs of Missouri. Tuscaloosa: University of Alabama Press, 2000.
Внимание: Тези цитати може да не са 100% точни.