APA (7th ed.) Citation

Gorbahn, M., & Haisch, U. (2006). Charm-Quark Contribution to K_L -> mu^+ mu^- at Next-to-Next-to-Leading.

Chicago Style (17th ed.) Citation

Gorbahn, M., and U. Haisch. Charm-Quark Contribution to K_L -> Mu^+ Mu^- at Next-to-Next-to-Leading. 2006.

MLA (9th ed.) Citation

Gorbahn, M., and U. Haisch. Charm-Quark Contribution to K_L -> Mu^+ Mu^- at Next-to-Next-to-Leading. 2006.

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