APA (7th ed.) Citation

Elias, N. (2014). Combined calculi for photon orbital and spin angular momenta. Astronomy and astrophysics, 568, . https://doi.org/10.1051/0004-6361/201323229

Chicago Style (17th ed.) Citation

Elias, Nicholas. "Combined Calculi for Photon Orbital and Spin Angular Momenta." Astronomy and Astrophysics 568 (2014). https://doi.org/10.1051/0004-6361/201323229.

MLA (9th ed.) Citation

Elias, Nicholas. "Combined Calculi for Photon Orbital and Spin Angular Momenta." Astronomy and Astrophysics, vol. 568, 2014, https://doi.org/10.1051/0004-6361/201323229.