APA (7th ed.) Citation

Scientific American. (1967). Human variation and origins. W. H. Freeman.

Chicago Style (17th ed.) Citation

Scientific American. Human Variation and Origins. San Francisco: W. H. Freeman, 1967.

MLA (9th ed.) Citation

Scientific American. Human Variation and Origins. W. H. Freeman, 1967.

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