APA (7th ed.) Citation

NA, I. (2004). High numerical aperture in multimode microstructured optical fibers. Applied optics, 43(33), 6191. https://doi.org/10.1364/ao.43.006191

Chicago Style (17th ed.) Citation

NA, Issa. "High Numerical Aperture in Multimode Microstructured Optical Fibers." Applied Optics 43, no. 33 (2004): 6191. https://doi.org/10.1364/ao.43.006191.

MLA (9th ed.) Citation

NA, Issa. "High Numerical Aperture in Multimode Microstructured Optical Fibers." Applied Optics, vol. 43, no. 33, 2004, p. 6191, https://doi.org/10.1364/ao.43.006191.