Cilliers, Paul. "Rules and complex systems". Critical Complexity: Collected Essays, Berlin, Boston: De Gruyter, 2016, pp. 55-66. https://doi.org/10.1515/9781501502590-006
Cilliers, P. (2016). Rules and complex systems. In Critical Complexity: Collected Essays (pp. 55-66). Berlin, Boston: De Gruyter. https://doi.org/10.1515/9781501502590-006
Cilliers, P. 2016. Rules and complex systems. Critical Complexity: Collected Essays. Berlin, Boston: De Gruyter, pp. 55-66. https://doi.org/10.1515/9781501502590-006
Cilliers, Paul. "Rules and complex systems" In Critical Complexity: Collected Essays, 55-66. Berlin, Boston: De Gruyter, 2016. https://doi.org/10.1515/9781501502590-006
Cilliers P. Rules and complex systems. In: Critical Complexity: Collected Essays. Berlin, Boston: De Gruyter; 2016. p.55-66. https://doi.org/10.1515/9781501502590-006