Krebs, C. J. (2009). Ecology: The experimental analysis of distribution and abundance (Sixth edition.). Pearson Benjamin Cummings.
芝加哥风格引文Krebs, Charles J. Ecology: The Experimental Analysis of Distribution and Abundance. Sixth edition. San Francisco: Pearson Benjamin Cummings, 2009.
MLA引文Krebs, Charles J. Ecology: The Experimental Analysis of Distribution and Abundance. Sixth edition. Pearson Benjamin Cummings, 2009.
警告：这些引文格式不一定是100％准确.