(1920). [X-ray machine installation and repair by local electrical experts; Public Health Service policy]. [publisher not identified].
Chicago Style (17th ed.) Citation[X-ray Machine Installation and Repair by Local Electrical Experts; Public Health Service Policy]. Washington, D.C.: [publisher not identified], 1920.
MLA (9th ed.) Citation[X-ray Machine Installation and Repair by Local Electrical Experts; Public Health Service Policy]. [publisher not identified], 1920.
Warning: These citations may not always be 100% accurate.