APA (7th ed.) Citation

(2007). Intrinsic and extrinsic motivation: The search for optimal motivation and performance (3. print. - transfer. to digit. print.). Acad. Press.

Chicago Style (17th ed.) Citation

Intrinsic and Extrinsic Motivation: The Search for Optimal Motivation and Performance. 3. print. - transfer. to digit. print. San Diego [u.a.]: Acad. Press, 2007.

MLA (9th ed.) Citation

Intrinsic and Extrinsic Motivation: The Search for Optimal Motivation and Performance. 3. print. - transfer. to digit. print. Acad. Press, 2007.