Cite
Extra two-fold Steiner pentagon systems
MLA
Lindner, Charles C., and Alexander Rosa. “Extra Two-Fold Steiner Pentagon Systems.” Discrete Mathematics, vol. 312, no. 1, Jan. 2012, pp. 30–34. EBSCOhost, https://doi.org/10.1016/j.disc.2011.02.009.
APA
Lindner, C. C., & Rosa, A. (2012). Extra two-fold Steiner pentagon systems. Discrete Mathematics, 312(1), 30–34. https://doi.org/10.1016/j.disc.2011.02.009
Chicago
Lindner, Charles C., and Alexander Rosa. 2012. “Extra Two-Fold Steiner Pentagon Systems.” Discrete Mathematics 312 (1): 30–34. doi:10.1016/j.disc.2011.02.009.