APA (7th ed.) Citation

Xu, G., & Xu, J. (2010). Efficient approximation algorithms for clustering point-sets. Computational geometry : theory and applications, 43(1), 59-66. https://doi.org/10.1016/j.comgeo.2007.12.002

Chicago Style (17th ed.) Citation

Xu, Guang, and Jinhui Xu. "Efficient Approximation Algorithms for Clustering Point-sets." Computational Geometry : Theory and Applications 43, no. 1 (2010): 59-66. https://doi.org/10.1016/j.comgeo.2007.12.002.

MLA (9th ed.) Citation

Xu, Guang, and Jinhui Xu. "Efficient Approximation Algorithms for Clustering Point-sets." Computational Geometry : Theory and Applications, vol. 43, no. 1, 2010, pp. 59-66, https://doi.org/10.1016/j.comgeo.2007.12.002.