Boszhardt, R. F. (2003). A projectile point guide for the Upper Mississippi River Valley. University of Iowa Press.
Chicago Style (17th ed.) CitationBoszhardt, Robert F. A Projectile Point Guide for the Upper Mississippi River Valley. Iowa City: University of Iowa Press, 2003.
MLA (9th ed.) CitationBoszhardt, Robert F. A Projectile Point Guide for the Upper Mississippi River Valley. University of Iowa Press, 2003.
Warning: These citations may not always be 100% accurate.