Cita APA (7a ed.)
Whitfield, K. E., Ellias, J. W., & Dore, G. (June 1991 pt1). An analysis of task difficulty using the Visually degraded stimulus task. Perceptual & Motor Skills, 72, 1047-1058.
Cita Chicago Style (17a ed.)
Whitfield, Keith E., Jeffrey W. Ellias, y Greg Dore. "An Analysis of Task Difficulty Using the Visually Degraded Stimulus Task." Perceptual & Motor Skills 72 (June 1991 pt1): 1047-1058.
Cita MLA (9a ed.)
Whitfield, Keith E., et al. "An Analysis of Task Difficulty Using the Visually Degraded Stimulus Task." Perceptual & Motor Skills, vol. 72, June 1991 pt1, pp. 1047-1058.
Precaución: Estas citas no son 100% exactas.