Stangeland, C. E. (1904). Pre-Malthusian doctrines of population: A study in the history of economics theory. A.M. Kelly.
芝加哥风格引文Stangeland, Charles Emil. Pre-Malthusian Doctrines of Population: A Study in the History of Economics Theory. New York: A.M. Kelly, 1904.
MLA引文Stangeland, Charles Emil. Pre-Malthusian Doctrines of Population: A Study in the History of Economics Theory. A.M. Kelly, 1904.
警告：这些引文格式不一定是100％准确.