His Maiesties letter to the Lord Keeper of the Great Seale of England : concerning Sir Edward Herbert Knight, and the five members of the House of Commons : read in both Houses Mar. 9 1641[/42] ... : given at Royston, the fourth of March. 1641[/42]
MLA
England and Wales. Sovereign (1625-1649 : Charles I). His Maiesties letter to the Lord Keeper of the Great Seale of England : concerning Sir Edward Herbert Knight, and the five members of the House of Commons : read in both Houses Mar. 9 1641[/42] ... : given at Royston, the fourth of March. 1641[/42]. 1641. https://collections.library.yale.edu/catalog/2018118.
APA, 6th edition
England and Wales. Sovereign (1625-1649 : Charles I). (1641)[His Maiesties letter to the Lord Keeper of the Great Seale of England : concerning Sir Edward Herbert Knight, and the five members of the House of Commons : read in both Houses Mar. 9 1641[/42] ... : given at Royston, the fourth of March. 1641[/42]]. https://collections.library.yale.edu/catalog/2018118.