APA (7th ed.) Citation

United States. Public Health Service. (1939). Care during recovery period in paralytic poliomyelitis. [s.n.].

Chicago Style (17th ed.) Citation

United States. Public Health Service. Care During Recovery Period in Paralytic Poliomyelitis. [Washington]: [s.n.], 1939.

MLA (9th ed.) Citation

United States. Public Health Service. Care During Recovery Period in Paralytic Poliomyelitis. [s.n.], 1939.

Warning: These citations may not always be 100% accurate.