Cita APA (7a ed.)

O'Neil, H. F., Jr, & Spielberger, C. D. (1979). Cognitive and affective learning strategies. Academic Press.

Cita Chicago Style (17a ed.)

O'Neil, Harold F., Jr, y Charles Donald Spielberger. Cognitive and Affective Learning Strategies. New York [etc.]: Academic Press, 1979.

Cita MLA (9a ed.)

O'Neil, Harold F., Jr, y Charles Donald Spielberger. Cognitive and Affective Learning Strategies. Academic Press, 1979.