Stwertka, E., & Stwertka, A. (1981). Population: Growth, change, and impact. F. Watts.
芝加哥风格引文Stwertka, Eve, 与 Albert Stwertka. Population: Growth, Change, and Impact. New York: F. Watts, 1981.
MLA引文Stwertka, Eve, 与 Albert Stwertka. Population: Growth, Change, and Impact. F. Watts, 1981.
警告：这些引文格式不一定是100％准确.