Perry, G. (2017). The descent of man. Penguin Books.
芝加哥风格引文Perry, Grayson. The Descent of Man. London: Penguin Books, 2017.
MLA引文Perry, Grayson. The Descent of Man. Penguin Books, 2017.
警告：这些引文格式不一定是100％准确.
APA引文
Perry, G. (2017). The descent of man. Penguin Books.
芝加哥风格引文Perry, Grayson. The Descent of Man. London: Penguin Books, 2017.
MLA引文Perry, Grayson. The Descent of Man. Penguin Books, 2017.