APA

Martin P. S., Quimby G. I., Collier D. & Chicago Natural History Museum. (1947). Indians before Columbus: twenty thousand years of North American history revealed by archeology. Chicago: University of Chicago Press.

Chicago

Martin Paul S, Quimby George Irving, Collier Donald and Chicago Natural History Museum. 1947. Indians before Columbus: twenty thousand years of North American history revealed by archeology. Chicago: University of Chicago Press.

Harvard

Martin P. S., Quimby G. I., Collier D. and Chicago Natural History Museum. (1947). Indians before Columbus: twenty thousand years of North American history revealed by archeology. Chicago: University of Chicago Press.

MLA

Martin Paul S, Quimby George Irving, Collier Donald and Chicago Natural History Museum. Indians before Columbus: twenty thousand years of North American history revealed by archeology. Chicago: University of Chicago Press. 1947.