APA (7th ed.) Citation

Lang, A., Song, Z., He, G., & Sang, Y. (2017). Profile error evaluation of free-form surface using sequential quadratic programming algorithm. Precision engineering, 47, 344-352. https://doi.org/10.1016/j.precisioneng.2016.09.008

Chicago Style (17th ed.) Citation

Lang, Ailei, Zhanjie Song, Gaiyun He, and Yicun Sang. "Profile Error Evaluation of Free-form Surface Using Sequential Quadratic Programming Algorithm." Precision Engineering 47 (2017): 344-352. https://doi.org/10.1016/j.precisioneng.2016.09.008.

MLA (9th ed.) Citation

Lang, Ailei, et al. "Profile Error Evaluation of Free-form Surface Using Sequential Quadratic Programming Algorithm." Precision Engineering, vol. 47, 2017, pp. 344-352, https://doi.org/10.1016/j.precisioneng.2016.09.008.