APA   Click to copy
O, K., DE, G., & Pollack, I. P. (1997). Letter to the Editor, Ophthalmology. Ophthalmology, 104(2).

Chicago/Turabian   Click to copy
O, Kosoko, Gaasterland DE, and IP Pollack. “Letter to the Editor, Ophthalmology.” Ophthalmology 104, no. 2 (1997).

MLA   Click to copy
O, Kosoko, et al. “Letter to the Editor, Ophthalmology.” Ophthalmology, vol. 104, no. 2, 1997.

@article{kosoko1997a,
  title = {Letter to the Editor, Ophthalmology},
  year = {1997},
  issue = {2},
  journal = {Ophthalmology},
  volume = { 104},
  author = {O, Kosoko and DE, Gaasterland and Pollack, IP}
}