Cite
Simple Signed Steiner Triple Systems.
MLA
Ghorbani, E., and G. B. Khosrovshahi. “Simple Signed Steiner Triple Systems.” Journal of Combinatorial Designs, vol. 20, no. 7, July 2012, pp. 332–43. EBSCOhost, https://doi.org/10.1002/jcd.21297.
APA
Ghorbani, E., & Khosrovshahi, G. B. (2012). Simple Signed Steiner Triple Systems. Journal of Combinatorial Designs, 20(7), 332–343. https://doi.org/10.1002/jcd.21297
Chicago
Ghorbani, E., and G. B. Khosrovshahi. 2012. “Simple Signed Steiner Triple Systems.” Journal of Combinatorial Designs 20 (7): 332–43. doi:10.1002/jcd.21297.