Richards, G. (1987). Human evolution: An introduction for the behavioural sciences. Routledge & Kegan Paul.
芝加哥风格引文Richards, Graham. Human Evolution: An Introduction for the Behavioural Sciences. London: Routledge & Kegan Paul, 1987.
MLA引文Richards, Graham. Human Evolution: An Introduction for the Behavioural Sciences. Routledge & Kegan Paul, 1987.
警告：这些引文格式不一定是100％准确.