Ladyman, James and Wiesner, Karoline. "Appendix – Some Mathematical Background". What Is a Complex System?, New Haven: Yale University Press, 2020, pp. 135-142. https://doi.org/10.12987/9780300256130-007
Ladyman, J. & Wiesner, K. (2020). Appendix – Some Mathematical Background. In What Is a Complex System? (pp. 135-142). New Haven: Yale University Press. https://doi.org/10.12987/9780300256130-007
Ladyman, J. and Wiesner, K. 2020. Appendix – Some Mathematical Background. What Is a Complex System?. New Haven: Yale University Press, pp. 135-142. https://doi.org/10.12987/9780300256130-007
Ladyman, James and Wiesner, Karoline. "Appendix – Some Mathematical Background" In What Is a Complex System?, 135-142. New Haven: Yale University Press, 2020. https://doi.org/10.12987/9780300256130-007
Ladyman J, Wiesner K. Appendix – Some Mathematical Background. In: What Is a Complex System?. New Haven: Yale University Press; 2020. p.135-142. https://doi.org/10.12987/9780300256130-007