APA   Click to copy
Ekpenyong, A. E. (2021). Interactions of Photons in Matter. Mathematical Physics for Nuclear Experiments.

Chicago/Turabian   Click to copy
Ekpenyong, Andrew E. “Interactions of Photons in Matter.” Mathematical Physics for Nuclear Experiments (2021).

MLA   Click to copy
Ekpenyong, Andrew E. “Interactions of Photons in Matter.” Mathematical Physics for Nuclear Experiments, 2021.

@article{andrew2021a,
  title = {Interactions of Photons in Matter},
  year = {2021},
  journal = {Mathematical Physics for Nuclear Experiments},
  author = {Ekpenyong, Andrew E.}
}