Butzer, K. W. (1971). Environment and archeology: An ecological approach to prehistory (2d ed.). Aldine-Atherton.
Citazione stile Chigago Style (17a edizione)Butzer, Karl W. Environment and Archeology: An Ecological Approach to Prehistory. 2d ed. Chicago: Aldine-Atherton, 1971.
Citatione MLA (9a ed.)Butzer, Karl W. Environment and Archeology: An Ecological Approach to Prehistory. 2d ed. Aldine-Atherton, 1971.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.