APA (7th ed.) Citation

Great Britain & Portugal. (1843). Additional article to the treaty concluded at Lisbon, July 3, 1842: Between Her Majesty and the Queen of Portugal : for the suppression of the traffick in slaves, signed at Lisbon, October 22, 1842. T. R. Harrison.

Chicago Style (17th ed.) Citation

Great Britain and Portugal. Additional Article to the Treaty Concluded at Lisbon, July 3, 1842: Between Her Majesty and the Queen of Portugal : For the Suppression of the Traffick in Slaves, Signed at Lisbon, October 22, 1842. London: T. R. Harrison, 1843.

MLA (9th ed.) Citation

Great Britain and Portugal. Additional Article to the Treaty Concluded at Lisbon, July 3, 1842: Between Her Majesty and the Queen of Portugal : For the Suppression of the Traffick in Slaves, Signed at Lisbon, October 22, 1842. T. R. Harrison, 1843.