APA (7th ed.) Citation

Ashtekar, A. (2012). The Issue of the Beginning in Quantum Gravity. Einstein & the Changing Worldviews of Physics, 347-363. https://doi.org/10.1007/978-0-8176-4940-1_18

Chicago Style (17th ed.) Citation

Ashtekar, Abhay. "The Issue of the Beginning in Quantum Gravity." Einstein & the Changing Worldviews of Physics 2012: 347-363. https://doi.org/10.1007/978-0-8176-4940-1_18.

MLA (8th ed.) Citation

Ashtekar, Abhay. "The Issue of the Beginning in Quantum Gravity." Einstein & the Changing Worldviews of Physics, 2012, pp. 347-363, https://doi.org/10.1007/978-0-8176-4940-1_18.

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