Frey, G. (2002). Software quality in logic controller programming. IEEE International Conference on Systems, Man and Cybernetics, Systems, Man and Cybernetics, 2002 IEEE International Conference on, Systems, man and cybernetics, 1, 515. https://doi.org/10.1109/ICSMC.2002.1168028
Chicago Style (17th ed.) CitationFrey, G. "Software Quality in Logic Controller Programming." IEEE International Conference on Systems, Man and Cybernetics, Systems, Man and Cybernetics, 2002 IEEE International Conference on, Systems, Man and Cybernetics 1 (2002): 515. https://doi.org/10.1109/ICSMC.2002.1168028.
MLA (9th ed.) CitationFrey, G. "Software Quality in Logic Controller Programming." IEEE International Conference on Systems, Man and Cybernetics, Systems, Man and Cybernetics, 2002 IEEE International Conference on, Systems, Man and Cybernetics, vol. 1, 2002, p. 515, https://doi.org/10.1109/ICSMC.2002.1168028.