APA (7th ed.) Citation

Francis, I. C., Stapleton, F., Ehrmann, K., & Coroneo, M. T. (2006). Lower eyelid tensometry in younger and older normal subjects. Eye (0950-222X), 20(2), 166. https://doi.org/10.1038/sj.eye.6701830

Chicago Style (17th ed.) Citation

Francis, I. C., F. Stapleton, K. Ehrmann, and M. T. Coroneo. "Lower Eyelid Tensometry in Younger and Older Normal Subjects." Eye (0950-222X) 20, no. 2 (2006): 166. https://doi.org/10.1038/sj.eye.6701830.

MLA (9th ed.) Citation

Francis, I. C., et al. "Lower Eyelid Tensometry in Younger and Older Normal Subjects." Eye (0950-222X), vol. 20, no. 2, 2006, p. 166, https://doi.org/10.1038/sj.eye.6701830.