Cita APA (7a ed.)
Washburn, D. A., & Putney, R. T. (2001). Attention and task difficulty: When is performance facilitated? Learning & Motivation, 32(1), 36-48.
Cita Chicago Style (17a ed.)
Washburn, David A., y R. Thompson Putney. "Attention and Task Difficulty: When Is Performance Facilitated?" Learning & Motivation 32, no. 1 (2001): 36-48.
Cita MLA (9a ed.)
Washburn, David A., y R. Thompson Putney. "Attention and Task Difficulty: When Is Performance Facilitated?" Learning & Motivation, vol. 32, no. 1, 2001, pp. 36-48.
Precaución: Estas citas no son 100% exactas.