Eckholm, E. P., & Record, F. A. (1976). The two faces of malnutrition. Worldwatch Institute.
芝加哥风格引文Eckholm, Erik P., 与 Frank A. Record. The Two Faces of Malnutrition. Washington: Worldwatch Institute, 1976.
MLA引文Eckholm, Erik P., 与 Frank A. Record. The Two Faces of Malnutrition. Worldwatch Institute, 1976.
警告：这些引文格式不一定是100％准确.