APA   Click to copy
Khlevner, J., Park, Y., & Margolis, K. (2018). Brain-Gut Axis: Clinical Implications. Gastroenterology Clinics of North America.

Chicago/Turabian   Click to copy
Khlevner, J., Yeji Park, and K. Margolis. “Brain-Gut Axis: Clinical Implications.” Gastroenterology Clinics of North America (2018).

MLA   Click to copy
Khlevner, J., et al. “Brain-Gut Axis: Clinical Implications.” Gastroenterology Clinics of North America, 2018.

@article{j2018a,
  title = {Brain-Gut Axis: Clinical Implications.},
  year = {2018},
  journal = {Gastroenterology Clinics of North America},
  author = {Khlevner, J. and Park, Yeji and Margolis, K.}
}