APA (7 ম সংস্করণ) উদ্ধৃতি

Macdougall, J. D. (2013). Frozen earth: The once and future story of ice ages. University of California Press.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Macdougall, J. D. Frozen Earth: The Once and Future Story of Ice Ages. Berkeley: University of California Press, 2013.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

Macdougall, J. D. Frozen Earth: The Once and Future Story of Ice Ages. University of California Press, 2013.