APA (7th ed.) Citation

Barbour, J. B. (2020). The Janus point: A new theory of time (First edition.). Basic Books.

Chicago Style (17th ed.) Citation

Barbour, Julian B. The Janus Point: A New Theory of Time. First edition. New York: Basic Books, 2020.

MLA (9th ed.) Citation

Barbour, Julian B. The Janus Point: A New Theory of Time. First edition. Basic Books, 2020.

Warning: These citations may not always be 100% accurate.