APA (7th ed.) Citation

Martin, P. S., Quimby, G. I., & Collier, D. (1950). Indians before Columbus: 20000 years of North American history revealed by archeology (4. impr.). Univ. of Chicago Press.

Chicago Style (17th ed.) Citation

Martin, Paul S., George I. Quimby, and Donald Collier. Indians Before Columbus: 20000 Years of North American History Revealed by Archeology. 4. impr. Chicago, Ill: Univ. of Chicago Press, 1950.

MLA (9th ed.) Citation

Martin, Paul S., et al. Indians Before Columbus: 20000 Years of North American History Revealed by Archeology. 4. impr. Univ. of Chicago Press, 1950.