APA (7th ed.) Citation

Zhu, Z. (2013). Modeling and optimization of microwave ring resonator filters using CST software.

Chicago Style (17th ed.) Citation

Zhu, Zhongdao. Modeling and Optimization of Microwave Ring Resonator Filters Using CST Software. 2013.

MLA (9th ed.) Citation

Zhu, Zhongdao. Modeling and Optimization of Microwave Ring Resonator Filters Using CST Software. 2013.

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