APA (7th ed.) Citation

(1920). Hours of medical attendance at hospitals and outpatient offices of 1st and 2nd class stations. [publisher not identified].

Chicago Style (17th ed.) Citation

Hours of Medical Attendance at Hospitals and Outpatient Offices of 1st and 2nd Class Stations. Washington, D.C.: [publisher not identified], 1920.

MLA (9th ed.) Citation

Hours of Medical Attendance at Hospitals and Outpatient Offices of 1st and 2nd Class Stations. [publisher not identified], 1920.