APA (7th ed.) Citation

Chen, L., Czakon, M., & Niggetiedt, M. Renormalization of the pseudoscalar operator at four loops in QCD. SpringerOpen.

Chicago Style (17th ed.) Citation

Chen, Long, Michał Czakon, and Marco Niggetiedt. Renormalization of the Pseudoscalar Operator at Four Loops in QCD. SpringerOpen.

MLA (9th ed.) Citation

Chen, Long, et al. Renormalization of the Pseudoscalar Operator at Four Loops in QCD. SpringerOpen.

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