APA (7th ed.) Citation

Beck. Motivation: Theories and principles (3rd.ed.).

Chicago Style (17th ed.) Citation

Beck. Motivation: Theories and Principles. 3rd.ed. New JerseylbPrentice-Hall lc1990.

MLA (9th ed.) Citation

Beck. Motivation: Theories and Principles. 3rd.ed.

Warning: These citations may not always be 100% accurate.