Macdougall, J. D. (2008). Nature's clocks: How scientists measure the age of almost everything. University of California Press.
芝加哥风格引文Macdougall, J. D. Nature's Clocks: How Scientists Measure the Age of Almost Everything. Berkeley: University of California Press, 2008.
MLA引文Macdougall, J. D. Nature's Clocks: How Scientists Measure the Age of Almost Everything. University of California Press, 2008.
警告：这些引文格式不一定是100％准确.