APA (7e ed.) Bronvermelding
Howard, W. T. (1924). Public Health Administration and the natural history of disease in Baltimore, Maryland 1797-1920.
Chicago (17e ed.) Bronvermelding
Howard, William Travis. Public Health Administration and the Natural History of Disease in Baltimore, Maryland 1797-1920. Washington, 1924.
MLA (9e ed.) Bronvermelding
Howard, William Travis. Public Health Administration and the Natural History of Disease in Baltimore, Maryland 1797-1920. 1924.
Let op: Deze citaties zijn niet altijd 100% accuraat.