Macdougall, J. D. (2013). Frozen earth: The once and future story of ice ages. University of California Press.
Chicagoスタイル(17版)引用形式Macdougall, J. D. Frozen Earth: The Once and Future Story of Ice Ages. Berkeley: University of California Press, 2013.
MLA(9版)引用形式Macdougall, J. D. Frozen Earth: The Once and Future Story of Ice Ages. University of California Press, 2013.
警告: この引用は必ずしも正確ではありません.