APA (7th ed.) Citation

Hooper, D. (2019). At the edge of time: Exploring the mysteries of our universe's first seconds. Princeton University Press.

Chicago Style (17th ed.) Citation

Hooper, Dan. At the Edge of Time: Exploring the Mysteries of Our Universe's First Seconds. Princeton ; Oxford: Princeton University Press, 2019.

MLA (9th ed.) Citation

Hooper, Dan. At the Edge of Time: Exploring the Mysteries of Our Universe's First Seconds. Princeton University Press, 2019.