Retelsdorf, J., Butler, R., Streblow, L., & Schiefele, U. (2010). Teachers' Goal Orientations for Teaching: Associations with Instructional Practices, Interest in Teaching, and Burnout. Learning and Instruction, 20(1), 30. https://doi.org/10.1016/j.learninstruc.2009.01.001
Chicago Style (17th ed.) CitationRetelsdorf, Jan, Ruth Butler, Lilian Streblow, and Ulrich Schiefele. "Teachers' Goal Orientations for Teaching: Associations with Instructional Practices, Interest in Teaching, and Burnout." Learning and Instruction 20, no. 1 (2010): 30. https://doi.org/10.1016/j.learninstruc.2009.01.001.
MLA (9th ed.) CitationRetelsdorf, Jan, et al. "Teachers' Goal Orientations for Teaching: Associations with Instructional Practices, Interest in Teaching, and Burnout." Learning and Instruction, vol. 20, no. 1, 2010, p. 30, https://doi.org/10.1016/j.learninstruc.2009.01.001.