Citation
If you publish research that uses SHAPEIT4 you have to cite it as follows:
Delaneau, O., Zagury, J. F., Robinson, M. R., Marchini, J. L., & Dermitzakis, E. T. (2019). Accurate, scalable and integrative haplotype estimation. Nature Communications, 10, 5436. https://doi.org/10.1038/s41467-019-13225-y