Cite

A plan of the city and environs of Philadelphia / engraved ... by Matthew Albert Lotter.

MLA

Lotter, Matthäus Albrecht, 1741-1810. A plan of the city and environs of Philadelphia / engraved ... by Matthew Albert Lotter.. BRBL_00730. 1777. https://collections.library.yale.edu/catalog/15830804.

APA, 6th edition

Lotter, Matthäus Albrecht, 1741-1810. (["BRBL_00730"])(1777)[A plan of the city and environs of Philadelphia / engraved ... by Matthew Albert Lotter.]. https://collections.library.yale.edu/catalog/15830804.