An act preventing negroes' insurrections :

MLA

National Archives (Great Britain). An act preventing negroes' insurrections :. [Place of publication not identified] : [publisher not identified], 1680.

APA

National Archives (Great Britain). (1680). An act preventing negroes' insurrections :. [Place of publication not identified] : [publisher not identified].

Chicago

National Archives (Great Britain). An act preventing negroes' insurrections :. [Place of publication not identified] : [publisher not identified], 1680.