APA-viite

Gregory, G. (1826). Observations on Small-Pox, as It Has Occurred in London in 1825. Lond Med Phys J.

Chicago-tyylinen lähdeviittaus

Gregory, G. "Observations On Small-Pox, As It Has Occurred in London in 1825." Lond Med Phys J 1826.

MLA-viite

Gregory, G. "Observations On Small-Pox, As It Has Occurred in London in 1825." Lond Med Phys J 1826.

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