United States. Congress of the United States: at the third session, begun and held at the city of Philadelphia, on Monday the sixth of December, one thousand seven hundred and ninety: An act to provide for the unlading of ships or vessels, in cases of obstruction by ice.
Chicago Style (17th ed.) CitationUnited States. Congress of the United States: At the Third Session, Begun and Held at the City of Philadelphia, on Monday the Sixth of December, One Thousand Seven Hundred and Ninety: An Act to Provide for the Unlading of Ships or Vessels, in Cases of Obstruction by Ice.
MLA (9th ed.) CitationUnited States. Congress of the United States: At the Third Session, Begun and Held at the City of Philadelphia, on Monday the Sixth of December, One Thousand Seven Hundred and Ninety: An Act to Provide for the Unlading of Ships or Vessels, in Cases of Obstruction by Ice.