APA (7th ed.) Citation

Choi, K. J., & Topp, M. R. (1981). Ultrashort pulse generation by Nd3+: Glass and Nd3+:YAG lasers. Journal of the Optical Society of America, 71, 520. https://doi.org/10.1364/JOSA.71.000520

Chicago Style (17th ed.) Citation

Choi, K. J., and M. R. Topp. "Ultrashort Pulse Generation by Nd3+: Glass and Nd3+:YAG Lasers." Journal of the Optical Society of America 71 (1981): 520. https://doi.org/10.1364/JOSA.71.000520.

MLA (9th ed.) Citation

Choi, K. J., and M. R. Topp. "Ultrashort Pulse Generation by Nd3+: Glass and Nd3+:YAG Lasers." Journal of the Optical Society of America, vol. 71, 1981, p. 520, https://doi.org/10.1364/JOSA.71.000520.