APA (7th ed.) Citation

Wignall, P. B. (2016). The worst of times: How life on earth survived eighty million years of extinctions. Princeton University Press.

Chicago Style (17th ed.) Citation

Wignall, P. B. The Worst of Times: How Life on Earth Survived Eighty Million Years of Extinctions. Princeton: Princeton University Press, 2016.

MLA (9th ed.) Citation

Wignall, P. B. The Worst of Times: How Life on Earth Survived Eighty Million Years of Extinctions. Princeton University Press, 2016.