Cita APA (7a ed.)
Spirrison, C. L., Gordy, C. C., & Henley, T. B. (1996). After-class versus in-class data collection: Validity issues. Journal of Psychology, 130, 635-645.
Cita Chicago Style (17a ed.)
Spirrison, Charles L., Constance C. Gordy, y Tracy B. Henley. "After-class Versus In-class Data Collection: Validity Issues." Journal of Psychology 130 (1996): 635-645.
Cita MLA (9a ed.)
Spirrison, Charles L., et al. "After-class Versus In-class Data Collection: Validity Issues." Journal of Psychology, vol. 130, 1996, pp. 635-645.
Precaución: Estas citas no son 100% exactas.