- Francisco Chicano, Krzysztof Krawiec, editors, GECCO '21: Genetic and Evolutionary Computation Conference, Lille, France, July 10-14, 2021. ACM, 2021.
- Krzysztof Krawiec, editor, GECCO '21: Genetic and Evolutionary Computation Conference, Companion Volume, Lille, France, July 10-14, 2021. ACM, 2021.