This is the original ANTs paper

  Avants, B.B., Tustison, N. and Song, G., 2009. Advanced normalization
  tools (ANTS). The Insight Journal, 2(365), pp.1-35.

A BibTeX entry for LaTeX users is

  @Article{,
    title = {Advanced normalization tools ({ANTS})},
    author = {Brian B. Avants and Nick Tustison and {Song} and {Gang}},
    journal = {The Insight Journal},
    year = {2009},
    month = {07},
    volume = {2},
    number = {365},
    pages = {1--35},
    doi = {10.54294/uvnhin},
  }

To cite on specific functions, please check the official ANTs Github
website (https://github.com/ANTsX/ANTs) for more information.

If you use rpyANTs through RAVE, please cite the RAVE paper as well

  Magnotti, JF, and Wang, Z, and Beauchamp, MS. RAVE: comprehensive
  open-source software for reproducible analysis and visualization of
  intracranial EEG data. NeuroImage, 223, p.117341.

A BibTeX entry for LaTeX users is

  @Article{,
    title = {{RAVE}: Comprehensive open-source software for reproducible analysis and visualization of intracranial EEG data},
    author = {John F. Magnotti and Zhengjia Wang and Michael S. Beauchamp},
    journal = {NeuroImage},
    year = {2020},
    volume = {223},
    pages = {117341},
    doi = {10.1016/j.neuroimage.2020.117341},
  }

Please check https://rave.wiki for more information.