← Search Journal of Applied Psychology 1960 Motivation in management: A study of four managerial levels. Hjalmar Rosen1; Charles G. Weaver 1 U. Illinois DOI10.1037/h0044478 Sources semanticscholar openalex Cite APA 7 MLA 9 Chicago (author–date) Harvard Elsevier Harvard (JFE, JBF…) The Accounting Review Academy of Management American Marketing Association INFORMS (Management Science) Copy citation Copied ✓