Cite
The Visiting Friends or Relatives Traveler in the 21st Century: Time for a New Definition.
MLA
Barnett, Elizabeth D., et al. “The Visiting Friends or Relatives Traveler in the 21st Century: Time for a New Definition.” Journal of Travel Medicine, vol. 17, no. 3, May 2010, pp. 163–70. EBSCOhost, https://doi.org/10.1111/j.1708-8305.2010.00411.x.
APA
Barnett, E. D., MacPherson, D. W., Stauffer, W. M., Loutan, L., Hatz, C. F., Matteelli, A., & Behrens, R. H. (2010). The Visiting Friends or Relatives Traveler in the 21st Century: Time for a New Definition. Journal of Travel Medicine, 17(3), 163–170. https://doi.org/10.1111/j.1708-8305.2010.00411.x
Chicago
Barnett, Elizabeth D., Douglas W. MacPherson, William M. Stauffer, Louis Loutan, Christoph F. Hatz, Alberto Matteelli, and Ron H. Behrens. 2010. “The Visiting Friends or Relatives Traveler in the 21st Century: Time for a New Definition.” Journal of Travel Medicine 17 (3): 163–70. doi:10.1111/j.1708-8305.2010.00411.x.