APA (7th ed.) Citation

RL, S., RE, S., B, C., & JS, M. (1982). Frequency-switchable CO2 laser: Design and performance. Applied optics, 21(5), 961. https://doi.org/10.1364/AO.21.000961

Chicago Style (17th ed.) Citation

RL, Shoemaker, Scotti RE, Comaskey B, and M. JS. "Frequency-switchable CO2 Laser: Design and Performance." Applied Optics 21, no. 5 (1982): 961. https://doi.org/10.1364/AO.21.000961.

MLA (9th ed.) Citation

RL, Shoemaker, et al. "Frequency-switchable CO2 Laser: Design and Performance." Applied Optics, vol. 21, no. 5, 1982, p. 961, https://doi.org/10.1364/AO.21.000961.