APA (7th ed.) Citation

Alday, L. (2011). Y-system for scattering amplitudes.

Chicago Style (17th ed.) Citation

Alday, L. Y-system for Scattering Amplitudes. 2011.

MLA (9th ed.) Citation

Alday, L. Y-system for Scattering Amplitudes. 2011.

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