Osborn, H. F. 1., Gregory, W. K. n. 1., & Pinkley, G. (1947). The age of man (9 th. printing.). New York, New York: American Museum of Natural History.
Chicago Style CitationOsborn, Henry Fairfield 1857-1935, William King n. 1876 Gregory, and Georg Pinkley. The Age of Man. 9 th. printing. New York, New York: American Museum of Natural History, 1947.
MLA CitationOsborn, Henry Fairfield 1857-1935, William King n. 1876 Gregory, and Georg Pinkley. The Age of Man. 9 th. printing. New York, New York: American Museum of Natural History, 1947.
Warning: These citations may not always be 100% accurate.