Great Britain. (1842). Treaty of commerce and navigation, between Her Majesty and the Queen of Portugal: Signed at Lisbon, July 3, 1842. [publisher not identified].
Chicago Style (17th ed.) CitationGreat Britain. Treaty of Commerce and Navigation, Between Her Majesty and the Queen of Portugal: Signed at Lisbon, July 3, 1842. London: [publisher not identified], 1842.
MLA (9th ed.) CitationGreat Britain. Treaty of Commerce and Navigation, Between Her Majesty and the Queen of Portugal: Signed at Lisbon, July 3, 1842. [publisher not identified], 1842.
Warning: These citations may not always be 100% accurate.