citHeader("To cite splines2 in publications use:")

bibentry(
    key = "splines2-package",
    bibtype = "Manual",
    title = "{splines2}: {R}egression Spline Functions and Classes",
    author = c(
        as.person("Wenjie Wang"),
        as.person("Jun Yan")
        ),
    year = "2021",
    url = "https://CRAN.R-project.org/package=splines2",
    note = "{R} package version 0.4.2"
)
