Fromm, H. (2009). The nature of being human: From environmentalism to consciousness. Johns Hopkins University Press.
芝加哥风格引文Fromm, Harold. The Nature of Being Human: From Environmentalism to Consciousness. Baltimore, Md.: Johns Hopkins University Press, 2009.
MLA引文Fromm, Harold. The Nature of Being Human: From Environmentalism to Consciousness. Johns Hopkins University Press, 2009.
警告：这些引文格式不一定是100％准确.