APA (7th ed.) Citation

Carlo Rovelli. (2017). Reality is not what it seems: The journey to Quantum gravity. Penguin Books.

Chicago Style (17th ed.) Citation

Carlo Rovelli. Reality Is Not What It Seems: The Journey to Quantum Gravity. London: Penguin Books, 2017.

MLA (9th ed.) Citation

Carlo Rovelli. Reality Is Not What It Seems: The Journey to Quantum Gravity. Penguin Books, 2017.

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