Smith, R. L. (1996). Ecology and field biology (5th ed.). Benjamin Cummings.
芝加哥风格引文Smith, Robert Leo. Ecology and Field Biology. 5th ed. Menlo Park, CA: Benjamin Cummings, 1996.
MLA引文Smith, Robert Leo. Ecology and Field Biology. 5th ed. Benjamin Cummings, 1996.
警告：这些引文格式不一定是100％准确.