APA (7th ed.) Citation

XF, B., XJ, W., H, S., & XJ, S. (2014). Geometric definition of the V-parameter in photonic crystal fibers. Optics letters, 39(4), 892. https://doi.org/10.1364/OL.39.000892

Chicago Style (17th ed.) Citation

XF, Bao, Wang XJ, Su H, and Shu XJ. "Geometric Definition of the V-parameter in Photonic Crystal Fibers." Optics Letters 39, no. 4 (2014): 892. https://doi.org/10.1364/OL.39.000892.

MLA (9th ed.) Citation

XF, Bao, et al. "Geometric Definition of the V-parameter in Photonic Crystal Fibers." Optics Letters, vol. 39, no. 4, 2014, p. 892, https://doi.org/10.1364/OL.39.000892.