Citation
If you publish research that uses MUMmer you have to cite it as follows:
Marçais, G., Delcher, A. L., Phillippy, A. M., Coston, R., Salzberg, S. L., & Zimin, A. (2018). MUMmer4: A fast and versatile genome alignment system. PLOS Computational Biology, 14(1), e1005944. https://doi.org/10.1371/journal.pcbi.1005944