APA-viite (7. p.)

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

Chicago-viite (17. p.)

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

MLA-viite (9. p.)

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