bibentry(
 bibtype="Manual",
    title = "psychTools: Tools to Accompany the 'psych' Package for Psychological Research",
    author = person("William Revelle"),
    organization = "Northwestern University",
    address = "Evanston, Illinois",
    year = 2026,
    note = "R package version 2.6.4",
    url = "https://CRAN.R-project.org/package=psychTools"
 )