Hagger, M., Koch, S., & Chatzisarantis, N. (2015). The effect of causality orientations and positive competence-enhancing feedback on intrinsic motivation: A test of additive and interactive effects. Elsevier Sciences Ltd.
Chicago Style (17th ed.) CitationHagger, Martin, Severine Koch, and Nikos Chatzisarantis. The Effect of Causality Orientations and Positive Competence-enhancing Feedback on Intrinsic Motivation: A Test of Additive and Interactive Effects. Elsevier Sciences Ltd, 2015.
MLA (9th ed.) CitationHagger, Martin, et al. The Effect of Causality Orientations and Positive Competence-enhancing Feedback on Intrinsic Motivation: A Test of Additive and Interactive Effects. Elsevier Sciences Ltd, 2015.
Warning: These citations may not always be 100% accurate.