Alday, L., Maldacena, J., Sever, A., & Vieira, P. (2010). Y-system for scattering amplitudes.
芝加哥风格引文Alday, L., J. Maldacena, A. Sever, 与 P. Vieira. Y-system for Scattering Amplitudes. 2010.
MLA引文Alday, L., et al. Y-system for Scattering Amplitudes. 2010.
警告：这些引文格式不一定是100％准确.