Federal scientific and technical personnel :
detailed statistical tables.
APA Citation
National Science Foundation (U.S.). (1981). Federal scientific and technical personnel: detailed statistical tables. Washington, D.C.: National Science Foundation.
MLA Citation
National Science Foundation (U.S.). Federal Scientific And Technical Personnel: Detailed Statistical Tables. Washington, D.C.: National Science Foundation, 1981.
Warning: These citations may not always be complete (especially for serials).