citHeader("To cite package fourPNO in publications use:")

citEntry(entry="Article",
    title = "Revisiting the 4-parameter item response model: Bayesian estimation and application",
    author = c(as.person("Steven Andrew Culpepper")),
	  journal = "Psychometrika",
    year = {2015},
    textVersion = "Culpepper, S. A. (2015). Revisiting the 4-parameter item response model: Bayesian estimation and application, Psychometrika. DOI: 10.1007/s11336-015-9477-6")

