APA (7th ed.) Citation

Gschwind, T., Irnich, S., Rothenbächer, A., & Tilk, C. (2018). Bidirectional labeling in column-generation algorithms for pickup-and-delivery problems. European journal of operational research, 266(2), 521-530. https://doi.org/10.1016/j.ejor.2017.09.035

Chicago Style (17th ed.) Citation

Gschwind, Timo, Stefan Irnich, Ann-Kathrin Rothenbächer, and Christian Tilk. "Bidirectional Labeling in Column-generation Algorithms for Pickup-and-delivery Problems." European Journal of Operational Research 266, no. 2 (2018): 521-530. https://doi.org/10.1016/j.ejor.2017.09.035.

MLA (9th ed.) Citation

Gschwind, Timo, et al. "Bidirectional Labeling in Column-generation Algorithms for Pickup-and-delivery Problems." European Journal of Operational Research, vol. 266, no. 2, 2018, pp. 521-530, https://doi.org/10.1016/j.ejor.2017.09.035.