Halsey, G. D. (1955). Selecting and developing first-line supervisors. Harper.
Chicago Style (17th ed.) CitationHalsey, George D. Selecting and Developing First-line Supervisors. N.Y.: Harper, 1955.
MLA (8th ed.) CitationHalsey, George D. Selecting and Developing First-line Supervisors. Harper, 1955.
Warning: These citations may not always be 100% accurate.