APA   Click to copy
Koch, T. G., Wendling, B. W., & Wilson, N. E. (2017). How vertical integration affects the quantity and cost of care for Medicare beneficiaries. Journal of Health Economics, 52, 19–32.

Chicago/Turabian   Click to copy
Koch, Thomas G, Brett W Wendling, and Nathan E Wilson. “How Vertical Integration Affects the Quantity and Cost of Care for Medicare Beneficiaries.” Journal of health economics 52 (2017): 19–32.

MLA   Click to copy
Koch, Thomas G., et al. “How Vertical Integration Affects the Quantity and Cost of Care for Medicare Beneficiaries.” Journal of Health Economics, vol. 52, Elsevier, 2017, pp. 19–32.

@article{koch2017a,
  title = {How vertical integration affects the quantity and cost of care for Medicare beneficiaries},
  year = {2017},
  journal = {Journal of health economics},
  pages = {19--32},
  publisher = {Elsevier},
  volume = {52},
  author = {Koch, Thomas G and Wendling, Brett W and Wilson, Nathan E}
}