Cita APA (7a ed.)

Robertson, J. P. (1839). Letters on Paraguay: An account of four years' residence in that republic, under the government of the dictador Francia. John Murray, Albemarle Strees.

Cita Chicago Style (17a ed.)

Robertson, John Parish. Letters on Paraguay: An Account of Four Years' Residence in That Republic, Under the Government of the Dictador Francia. London: John Murray, Albemarle Strees, 1839.

Cita MLA (8a ed.)

Robertson, John Parish. Letters on Paraguay: An Account of Four Years' Residence in That Republic, Under the Government of the Dictador Francia. John Murray, Albemarle Strees, 1839.