The below-mentioned format has been used for citation of CPLEX in over 100 papers.I just cite two of those which have been published in 2019 but used different versions of the CPLEX .These papers are from well-known journals so I believe that even citation format should be considered in the publication process. IBM (2017) IBM ILOG CPLEX 12.7 User’s Manual (IBM ILOG CPLEX Division, Incline Village, NV).1 IBM, 2013 IBM ILOG CPLEX 12.6 User Manual IBM Corp.(2013) 2 So I think just putting the sub-version of CPLEX 12.* User’s Manual in the citation will be alright. [1] Petit, Thierry, and Andrew C.
Trapp.”Enriching solutions to combinatorial problems via solution engineering.” INFORMS Journal on Computing (2019). [2] Ceselli, Alberto, et al.”Optimized assignment patterns in Mobile Edge Cloud networks.” Computers & Operations Research 106 (2019): 246-259..
Source: The below-mentioned format has been used for citation of CPLEX in over 100 papers.…