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APA-viite (7. p.)
Blankett John, Almon John, & Sousa António Alberto Marinho Duarte de. (1777). Letters from Portugal, on the late and present state of that Kingdom. printed for J. Almon, opposite Burlington House, in Piccadilly.
Chicago-viite (17. p.)
Blankett John, Almon John, ja Sousa António Alberto Marinho Duarte de. Letters from Portugal, on the Late and Present State of That Kingdom. printed for J. Almon, opposite Burlington House, in Piccadilly, 1777.
MLA-viite (9. p.)
Blankett John, et al. Letters from Portugal, on the Late and Present State of That Kingdom. printed for J. Almon, opposite Burlington House, in Piccadilly, 1777.
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