APA   Click to copy
Gross, J. (2011). Facebook as a resource for locating relatives. Chronicles, 28, 17–18.

Chicago/Turabian   Click to copy
Gross, James. “Facebook as a Resource for Locating Relatives.” Chronicles 28 (2011): 17–18.

MLA   Click to copy
Gross, James. “Facebook as a Resource for Locating Relatives.” Chronicles, vol. 28, 2011, pp. 17–18.

@article{gross2011a,
  title = {Facebook as a resource for locating relatives},
  year = {2011},
  journal = {Chronicles},
  pages = {17-18},
  volume = {28},
  author = {Gross, James}
}