APA (7th ed.) Citation
Burkard, R., Rote, G., Yao, E., & Yu, Z. Shortest polygonal paths in space.
Chicago Style (17th ed.) Citation
Burkard, R.E, G. Rote, E.Y Yao, and Z.L Yu. Shortest Polygonal Paths in Space.
MLA (9th ed.) Citation
Burkard, R.E, et al. Shortest Polygonal Paths in Space.
Warning: These citations may not always be 100% accurate.