APA   Click to copy
Gross, J. (2013). A brief look at computer data backup. Chronicles, 30, 4–5.

Chicago/Turabian   Click to copy
Gross, James. “A Brief Look at Computer Data Backup.” Chronicles 30 (2013): 4–5.

MLA   Click to copy
Gross, James. “A Brief Look at Computer Data Backup.” Chronicles, vol. 30, 2013, pp. 4–5.

@article{gross2013a,
  title = {A brief look at computer data backup},
  year = {2013},
  journal = {Chronicles},
  pages = {4--5},
  volume = {30},
  author = {Gross, James}
}