APA (7th ed.) Citation
Macdougall, J. D. Frozen Earth: The Once and Future Story of Ice Ages. University of California.
Chicago Style (17th ed.) Citation
Macdougall, J. Doug. Frozen Earth: The Once and Future Story of Ice Ages. Berkeley, EUA: University of California.
MLA (9th ed.) Citation
Macdougall, J. Doug. Frozen Earth: The Once and Future Story of Ice Ages. University of California.
Warning: These citations may not always be 100% accurate.