APA
National Vaccine Establishment (Great Britain), . (1850). [Ordered, by the Board, that de following Description of de Vaccine Vesicle, and Instructions relating to Vaccination, be circulated for general information]. London: [s.n.
Chicago
National Vaccine Establishment (Great Britain), . 1850. [Ordered, by the Board, that de following Description of de Vaccine Vesicle, and Instructions relating to Vaccination, be circulated for general information]. London: [s.n.
Harvard
National Vaccine Establishment (Great Britain), . (1850). [Ordered, by the Board, that de following Description of de Vaccine Vesicle, and Instructions relating to Vaccination, be circulated for general information]. London: [s.n.
MLA
National Vaccine Establishment (Great Britain), . [Ordered, by the Board, that de following Description of de Vaccine Vesicle, and Instructions relating to Vaccination, be circulated for general information]. London: [s.n. 1850.