Cite
Characterization of -free graphs
MLA
Liu, Jiping, et al. “Characterization of -Free Graphs.” Discrete Applied Mathematics, vol. 155, no. 8, Apr. 2007, pp. 1038–43. EBSCOhost, https://doi.org/10.1016/j.dam.2006.11.005.
APA
Liu, J., Peng, Y., & Zhao, C. (2007). Characterization of -free graphs. Discrete Applied Mathematics, 155(8), 1038–1043. https://doi.org/10.1016/j.dam.2006.11.005
Chicago
Liu, Jiping, Yuejian Peng, and Cheng Zhao. 2007. “Characterization of -Free Graphs.” Discrete Applied Mathematics 155 (8): 1038–43. doi:10.1016/j.dam.2006.11.005.