Valencia, P. D., Paredes-Angeles, R., & Valencia, P. D. (2021). Dimensionality of the Penn State Worry Questionnaire and its brief versions. Instituto de Investigaciones Psicológicas.
Chicago Style (17th ed.) CitationValencia, Pablo D., Rubí Paredes-Angeles, and Pablo D. Valencia. Dimensionality of the Penn State Worry Questionnaire and Its Brief Versions. Instituto de Investigaciones Psicológicas, 2021.
MLA (9th ed.) CitationValencia, Pablo D., et al. Dimensionality of the Penn State Worry Questionnaire and Its Brief Versions. Instituto de Investigaciones Psicológicas, 2021.