 bibentry(
 bibtype="Manual",
    title = "psych: Procedures for Psychological, Psychometric, and Personality Research",
    author = person("William Revelle"),
    organization = "Northwestern University",
    address = "Evanston, Illinois",
    year = 2023,
    note = "R package version 2.3.9",
    url = "https://CRAN.R-project.org/package=psych"
 )
