MLA

Charles I, King of England, 1600-1649, England and Wales. Sovereign (1625-1649 : Charles I). A proclamation touching the counterfeit great seale : ordered by the two pretended houses of Parliament to be put in use.. 1643. https://collections.library.yale.edu/catalog/2039960.

APA, 6th edition

Charles I, King of England, 1600-1649, & England and Wales. Sovereign (1625-1649 : Charles I). (1643)[A proclamation touching the counterfeit great seale : ordered by the two pretended houses of Parliament to be put in use.]. https://collections.library.yale.edu/catalog/2039960.