APA (7th ed.) Citation

Liang, X. L. (2018). Two-factor human authentication.

Chicago Style (17th ed.) Citation

Liang, Xian Liang. Two-factor Human Authentication. 2018.

MLA (9th ed.) Citation

Liang, Xian Liang. Two-factor Human Authentication. 2018.

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