Calhoun, J. B. (1983). Environment and population: Problems of adaptation. Praeger.
芝加哥风格引文Calhoun, John B. Environment and Population: Problems of Adaptation. New York: Praeger, 1983.
MLA引文Calhoun, John B. Environment and Population: Problems of Adaptation. Praeger, 1983.
警告：这些引文格式不一定是100％准确.