Hebecker, A., & March-Russell, J. (2001). A minimal S1/(Z2×Z2′) orbifold GUT. Nuclear physics. B, Particle physics, 613(1-2), . https://doi.org/10.1016/S0550-3213(01)00374-1
Chicago Style (17th ed.) CitationHebecker, Arthur, and John March-Russell. "A Minimal S1/(Z2×Z2′) Orbifold GUT." Nuclear Physics. B, Particle Physics 613, no. 1-2 (2001). https://doi.org/10.1016/S0550-3213(01)00374-1.
MLA (9th ed.) CitationHebecker, Arthur, and John March-Russell. "A Minimal S1/(Z2×Z2′) Orbifold GUT." Nuclear Physics. B, Particle Physics, vol. 613, no. 1-2, 2001, https://doi.org/10.1016/S0550-3213(01)00374-1.
Warning: These citations may not always be 100% accurate.