APA (7th ed.) Citation

R, A., C, A. B., T, A., B, A., M, A., CA, A., . . . S, Z. (2019). Search for Lepton-Flavor Violating Decays B^{+}→K^{+}μ^{±}e^{∓}. Physical review letters, 123(24), 241802. https://doi.org/10.1103/PhysRevLett.123.241802

Chicago Style (17th ed.) Citation

R, Aaij, et al. "Search for Lepton-Flavor Violating Decays B^{+}→K^{+}μ^{±}e^{∓}." Physical Review Letters 123, no. 24 (2019): 241802. https://doi.org/10.1103/PhysRevLett.123.241802.

MLA (9th ed.) Citation

R, Aaij, et al. "Search for Lepton-Flavor Violating Decays B^{+}→K^{+}μ^{±}e^{∓}." Physical Review Letters, vol. 123, no. 24, 2019, p. 241802, https://doi.org/10.1103/PhysRevLett.123.241802.

Warning: These citations may not always be 100% accurate.