APA (7th ed.) Citation

Spallicci, A. D. A. M., Helayël-Neto, J. A., López-Corredoira, M., & Capozziello, S. (2021). Cosmology and the massive photon frequency shift in the Standard-Model Extension. European Physical Journal C -- Particles & Fields, 81(1), 1. https://doi.org/10.1140/epjc/s10052-020-08703-3

Chicago Style (17th ed.) Citation

Spallicci, Alessandro D. A. M., José A. Helayël-Neto, Martín López-Corredoira, and Salvatore Capozziello. "Cosmology and the Massive Photon Frequency Shift in the Standard-Model Extension." European Physical Journal C -- Particles & Fields 81, no. 1 (2021): 1. https://doi.org/10.1140/epjc/s10052-020-08703-3.

MLA (9th ed.) Citation

Spallicci, Alessandro D. A. M., et al. "Cosmology and the Massive Photon Frequency Shift in the Standard-Model Extension." European Physical Journal C -- Particles & Fields, vol. 81, no. 1, 2021, p. 1, https://doi.org/10.1140/epjc/s10052-020-08703-3.