APA (7th ed.) Citation

Shafi, Q., & Wetterich, C. (1979). Gauge hierarchies and the unification mass. Physics letters, 85(1), . https://doi.org/10.1016/0370-2693(79)90775-5

Chicago Style (17th ed.) Citation

Shafi, Qaisar, and Christof Wetterich. "Gauge Hierarchies and the Unification Mass." Physics Letters 85, no. 1 (1979). https://doi.org/10.1016/0370-2693(79)90775-5.

MLA (9th ed.) Citation

Shafi, Qaisar, and Christof Wetterich. "Gauge Hierarchies and the Unification Mass." Physics Letters, vol. 85, no. 1, 1979, https://doi.org/10.1016/0370-2693(79)90775-5.