APA (7th ed.) Citation

Chen, H., Zhu, Y., Hu, K., & He, X. Hierarchical Swarm Model: A New Approach to Optimization. Wiley.

Chicago Style (17th ed.) Citation

Chen, Hanning, Yunlong Zhu, Kunyuan Hu, and Xiaoxian He. Hierarchical Swarm Model: A New Approach to Optimization. Wiley.

MLA (9th ed.) Citation

Chen, Hanning, et al. Hierarchical Swarm Model: A New Approach to Optimization. Wiley.