(1921). [Laboratory technicians of Public Health Service designated as bacteriologists]. [publisher not identified].
Chicago Style (17th ed.) Citation[Laboratory Technicians of Public Health Service Designated as Bacteriologists]. Washington, D.C.: [publisher not identified], 1921.
MLA (9th ed.) Citation[Laboratory Technicians of Public Health Service Designated as Bacteriologists]. [publisher not identified], 1921.
Warning: These citations may not always be 100% accurate.