APA   Click to copy
Kalvakota, V. (2021). Investigating $f(R)$ gravity and cosmologies.

Chicago/Turabian   Click to copy
Kalvakota, Vaibhav. “Investigating $f(R)$ Gravity and Cosmologies” (July 2021).

MLA   Click to copy
Kalvakota, Vaibhav. Investigating $f(R)$ Gravity and Cosmologies. July 2021.

@article{kalvakota2021a,
  title = {Investigating $f(R)$ gravity and cosmologies},
  year = {2021},
  month = jul,
  author = {Kalvakota, Vaibhav},
  month_numeric = {7}
}