Cite
Cores of Geometric Graphs.
MLA
Godsil, Chris, and Gordon Royle. “Cores of Geometric Graphs.” Annals of Combinatorics, vol. 15, no. 2, May 2011, pp. 267–76. EBSCOhost, https://doi.org/10.1007/s00026-011-0094-5.
APA
Godsil, C., & Royle, G. (2011). Cores of Geometric Graphs. Annals of Combinatorics, 15(2), 267–276. https://doi.org/10.1007/s00026-011-0094-5
Chicago
Godsil, Chris, and Gordon Royle. 2011. “Cores of Geometric Graphs.” Annals of Combinatorics 15 (2): 267–76. doi:10.1007/s00026-011-0094-5.