APA   Click to copy
Gross, J. (2010). The Usage of Social Networking Websites for Genealogy. Roots-Key, 30.

Chicago/Turabian   Click to copy
Gross, James. “The Usage of Social Networking Websites for Genealogy.” Roots-Key 30 (2010).

MLA   Click to copy
Gross, James. “The Usage of Social Networking Websites for Genealogy.” Roots-Key, vol. 30, Jewish Genealogy Society of Los Angeles, 2010.

@article{gross2010a,
  title = {The Usage of Social Networking Websites for Genealogy},
  year = {2010},
  journal = {Roots-Key},
  publisher = {Jewish Genealogy Society of Los Angeles},
  volume = {30},
  author = {Gross, James}
}