To cite visreg in publications use:

Breheny P and Burchett W (2017). Visualization of Regression Models Using visreg. The R Journal, 9: 56-71.

Corresponding BibTeX entry:

  @Article{,
    author = {Patrick Breheny and Woodrow Burchett},
    title = {Visualization of Regression Models Using visreg},
    journal = {The R Journal},
    year = {2017},
    volume = {9},
    pages = {56--71},
    number = {2},
  }