APA   Click to copy
Tewari, D., Atanasov, A., Semwal, P., & Wang, D. (2021). Natural products and their applications.

Chicago/Turabian   Click to copy
Tewari, Devesh, A. Atanasov, Prabhakar Semwal, and Dongdong Wang. “Natural Products and Their Applications” (2021).

MLA   Click to copy
Tewari, Devesh, et al. Natural Products and Their Applications. 2021.

@article{devesh2021a,
  title = {Natural products and their applications},
  year = {2021},
  author = {Tewari, Devesh and Atanasov, A. and Semwal, Prabhakar and Wang, Dongdong}
}