APA (7th ed.) Citation

Kujawski, A. (1989). Focusing of Gaussian beams described in terms of complex rays. Applied Optics, 28, 2458. https://doi.org/10.1364/AO.28.002458

Chicago Style (17th ed.) Citation

Kujawski, Adam. "Focusing of Gaussian Beams Described in Terms of Complex Rays." Applied Optics 28 (1989): 2458. https://doi.org/10.1364/AO.28.002458.

MLA (9th ed.) Citation

Kujawski, Adam. "Focusing of Gaussian Beams Described in Terms of Complex Rays." Applied Optics, vol. 28, 1989, p. 2458, https://doi.org/10.1364/AO.28.002458.