APA (7th ed.) Citation

Rovelli, C. (2006). What is time? What is space? Di Renzo.

Chicago Style (17th ed.) Citation

Rovelli, Carlo. What Is Time? What Is Space? Roma: Di Renzo, 2006.

MLA (9th ed.) Citation

Rovelli, Carlo. What Is Time? What Is Space? Di Renzo, 2006.

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