APA Citation

Scientific American, & Scientific American. (1973). Early man in America. San Francisco: W.H. Freeman.

Chicago Style Citation

Scientific American, and Scientific American. Early Man in America. San Francisco: W.H. Freeman, 1973.

MLA Citation

Scientific American, and Scientific American. Early Man in America. San Francisco: W.H. Freeman, 1973.

Warning: These citations may not always be 100% accurate.