[DiogenesLamp]

Vattel was Swiss. (Le Droit de Gens)
Rousseau was Swiss. (Du contrat social ou Principes du droit politique)
Burlamaqui was Swiss. (Principes de Droit naturel)

[DiogenesLamp]

A dictionary of the English language. by Samuel Johnson, 1768.

Cit. [contracted from Citizen] 1. An inhabitant of a city. 2. A pert low towniman.

Citizen. f.[citoyen Fr.] A Freeman of a City. Raleigh 2. A townman; not a gentleman. Shakefp3. an Inhabitant. Dryden

"Citizen" is not defined to mean member of a Nation.