APA (7th ed.) Citation

Hu, H. (2011). Multi-photon creation and single-photon annihilation of electron-positron pairs.

Chicago Style (17th ed.) Citation

Hu, Huayu. Multi-photon Creation and Single-photon Annihilation of Electron-positron Pairs. 2011.

MLA (9th ed.) Citation

Hu, Huayu. Multi-photon Creation and Single-photon Annihilation of Electron-positron Pairs. 2011.

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