APA

Jennings J. D., . (1968). Prehistory of North America. New York: McGraw-Hill.

Chicago

Jennings Jesse David, . 1968. Prehistory of North America. New York: McGraw-Hill.

Harvard

Jennings J. D., . (1968). Prehistory of North America. New York: McGraw-Hill.

MLA

Jennings Jesse David, . Prehistory of North America. New York: McGraw-Hill. 1968.