To cite pegs in publications use:

Xavier A, Habier D (2022). “A new approach fits multivariate genomic prediction models efficiently.” Genetics Selection Evolution, 54(1), 45. doi:10.1186/s12711-022-00730-w.

Corresponding BibTeX entry:

  @Article{,
    title = {A new approach fits multivariate genomic prediction models
      efficiently},
    author = {Alencar Xavier and David Habier},
    journal = {Genetics Selection Evolution},
    volume = {54},
    number = {1},
    year = {2022},
    pages = {45},
    doi = {10.1186/s12711-022-00730-w},
  }