Cite

London &c. actually surveyed, by Wm. Morgan, his ma[jes]ties cosmogr., 1681/2.

MLA

Morgan, William, -1690. London &c. actually surveyed, by Wm. Morgan, his ma[jes]ties cosmogr., 1681/2.. BRBL_00737. 1682]. https://collections.library.yale.edu/catalog/15831921.

APA, 6th edition

Morgan, William, -1690. (["BRBL_00737"])(1682])[London &c. actually surveyed, by Wm. Morgan, his ma[jes]ties cosmogr., 1681/2.]. https://collections.library.yale.edu/catalog/15831921.