Wells, S., & Read, M. (2003). The journey of man: A genetic odyssey. Penguin.
Chicago Style (17th ed.) CitationWells, Spencer, and Mark Read. The Journey of Man: A Genetic Odyssey. London [etc.]: Penguin, 2003.
MLA (9th ed.) CitationWells, Spencer, and Mark Read. The Journey of Man: A Genetic Odyssey. Penguin, 2003.
Warning: These citations may not always be 100% accurate.