Boyd, R. (2003). How humans evolved. New York: W. W. Norton & Company.
Trích dẫn kiểu ChicagoBoyd, Robert. How Humans Evolved. New York: W. W. Norton & Company, 2003.
MLA引文Boyd, Robert. How Humans Evolved. New York: W. W. Norton & Company, 2003.
警告：这些引文格式不一定是100％准确.