Cita APA (7a ed.)

Sansone, C., & Harackiewicz, J. M. (2000). Intrinsic and extrinsic motivation: The search for optimal motivation and performance. Academic Press.

Cita Chicago Style (17a ed.)

Sansone, Carol, y Judith M. Harackiewicz. Intrinsic and Extrinsic Motivation: The Search for Optimal Motivation and Performance. San Diego: Academic Press, 2000.

Cita MLA (8a ed.)

Sansone, Carol, y Judith M. Harackiewicz. Intrinsic and Extrinsic Motivation: The Search for Optimal Motivation and Performance. Academic Press, 2000.