To cite RGAP in publications use:

Streicher S (2022). “RGAP: Output gap estimation in R.” KOF Working Papers.

Corresponding BibTeX entry:

  @Article{,
    title = {{RGAP}: Output gap estimation in {R}},
    author = {Sina Streicher},
    journal = {{KOF} Working Papers},
    number = {503},
    year = {2022},
  }