APA (7th ed.) Citation

Gerhardt, C. (2018). The quantization of gravity. Fundamental theories of physics. https://doi.org/10.1007/978-3-319-77371-1

Chicago Style (17th ed.) Citation

Gerhardt, Claus. "The Quantization of Gravity." Fundamental Theories of Physics 2018. https://doi.org/10.1007/978-3-319-77371-1.

MLA (9th ed.) Citation

Gerhardt, Claus. "The Quantization of Gravity." Fundamental Theories of Physics, 2018, https://doi.org/10.1007/978-3-319-77371-1.