APA (7th ed.) Citation

Liu, L., O'Keeffe, K., & Hooker, S. (2013). Quasi-phase-matching of high-order-harmonic generation using multimode polarization beating.

Chicago Style (17th ed.) Citation

Liu, L., K. O'Keeffe, and S. Hooker. Quasi-phase-matching of High-order-harmonic Generation Using Multimode Polarization Beating. 2013.

MLA (9th ed.) Citation

Liu, L., et al. Quasi-phase-matching of High-order-harmonic Generation Using Multimode Polarization Beating. 2013.

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