APA (7e ed.) Bronvermelding

Maps.com (Firm) & ebrary, Inc. (2000). Ratification of the Constitution, 1787-1790. Maps.com.

Chicago (17e ed.) Bronvermelding

Maps.com (Firm) en Inc ebrary. Ratification of the Constitution, 1787-1790. [S.l.]: Maps.com, 2000.

MLA (9e ed.) Bronvermelding

Maps.com (Firm) en Inc ebrary. Ratification of the Constitution, 1787-1790. Maps.com, 2000.