Solé, Ricard V. and Elena, Santiago F.. "1. The Virosphere". Viruses as Complex Adaptive Systems, Princeton: Princeton University Press, 2019, pp. 1-18. https://doi.org/10.1515/9780691185118-002
Solé, R. & Elena, S. (2019). 1. The Virosphere. In Viruses as Complex Adaptive Systems (pp. 1-18). Princeton: Princeton University Press. https://doi.org/10.1515/9780691185118-002
Solé, R. and Elena, S. 2019. 1. The Virosphere. Viruses as Complex Adaptive Systems. Princeton: Princeton University Press, pp. 1-18. https://doi.org/10.1515/9780691185118-002
Solé, Ricard V. and Elena, Santiago F.. "1. The Virosphere" In Viruses as Complex Adaptive Systems, 1-18. Princeton: Princeton University Press, 2019. https://doi.org/10.1515/9780691185118-002
Solé R, Elena S. 1. The Virosphere. In: Viruses as Complex Adaptive Systems. Princeton: Princeton University Press; 2019. p.1-18. https://doi.org/10.1515/9780691185118-002