APA (7th ed.) Citation

Van Butchell, M. (1791). By His Majesty's Royal letters patent. [publisher not identified].

Chicago Style (17th ed.) Citation

Van Butchell, Martin. By His Majesty's Royal Letters Patent. [London]: [publisher not identified], 1791.

MLA (9th ed.) Citation

Van Butchell, Martin. By His Majesty's Royal Letters Patent. [publisher not identified], 1791.