APA-Zitierstil (7. Ausg.)

Choi, I., Liu, C., & Oum, S. (2018). Characterization of cycle obstruction sets for improper coloring planar graphs.

Chicago-Zitierstil (17. Ausg.)

Choi, Ilkyoo, Chun-Hung Liu, und Sang-il Oum. Characterization of Cycle Obstruction Sets for Improper Coloring Planar Graphs. 2018.

MLA-Zitierstil (9. Ausg.)

Choi, Ilkyoo, et al. Characterization of Cycle Obstruction Sets for Improper Coloring Planar Graphs. 2018.