@book{25140,
	author = {Ford, James Alfred},
	title = {A comparison of formative cultures in the Americas},
	publisher = {Smithsonian Institution Press; [for sale by the Supt. of Docs., U.S. Govt. Print. Off.]},
	year = {1969.},
	series = {Smithsonian contributions to anthropology},
	address = {Washington}
}