Cita APA

Purchase, H. S. (1931). A Study of Cross-Immunity with Viruses of Fowl-Plague and Observations on the Duration of Immunity.

Citación estilo Chicago

Purchase, Harvey S. A Study of Cross-Immunity With Viruses of Fowl-Plague and Observations On the Duration of Immunity. 1931.

Cita MLA

Purchase, Harvey S. A Study of Cross-Immunity With Viruses of Fowl-Plague and Observations On the Duration of Immunity. 1931.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.