Cita APA (7a ed.)

Vaudoncourt, G. d. (1825). Letters on the internal political state of Spain, during the years 1821, 22 & 23 (3rd ed.). [s.n.].

Cita Chicago Style (17a ed.)

Vaudoncourt, Guillaume de. Letters on the Internal Political State of Spain, During the Years 1821, 22 & 23. 3rd ed. London: [s.n.], 1825.

Cita MLA (9a ed.)

Vaudoncourt, Guillaume de. Letters on the Internal Political State of Spain, During the Years 1821, 22 & 23. 3rd ed. [s.n.], 1825.