APA (7th ed.) Citation

Zheng, X. (2007). Effective hierarchy of real numbers. Shaker.

Chicago Style (17th ed.) Citation

Zheng, Xizhong. Effective Hierarchy of Real Numbers. Aachen: Shaker, 2007.

MLA (9th ed.) Citation

Zheng, Xizhong. Effective Hierarchy of Real Numbers. Shaker, 2007.

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