Agassiz, L. (1962). Essay on classification. Belknap Press of Harvard University Press.
芝加哥风格引文Agassiz, Louis. Essay on Classification. Cambridge, Massachusetts: Belknap Press of Harvard University Press, 1962.
MLA引文Agassiz, Louis. Essay on Classification. Belknap Press of Harvard University Press, 1962.
警告：这些引文格式不一定是100％准确.