Halsey, G. D. (1955). Selecting and developing first-line supervisors ([1st ed.].). Harper.
Chicago Style (17th ed.) CitationHalsey, George D. Selecting and Developing First-line Supervisors. [1st ed.]. New York: Harper, 1955.
MLA (9th ed.) CitationHalsey, George D. Selecting and Developing First-line Supervisors. [1st ed.]. Harper, 1955.
Warning: These citations may not always be 100% accurate.