APA (7th ed.) Citation

Cheng, Y. (2014). Force a set model of $Z_3$ + Harrington's Principle.

Chicago Style (17th ed.) Citation

Cheng, Yong. Force a Set Model of $Z_3$ + Harrington's Principle. 2014.

MLA (9th ed.) Citation

Cheng, Yong. Force a Set Model of $Z_3$ + Harrington's Principle. 2014.

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