MLA

Plan of the City of Philadelphia. Compiled from Actual Survey by F. Drayton. E.L. Carey & A. Hart, 1833. https://collections.library.yale.edu/catalog/15811117.

APA, 6th edition

Plan of the city of Philadelphia. Compiled from actual survey by F. Drayton. (1833). [Maps]. E.L. Carey & A. Hart, https://collections.library.yale.edu/catalog/15811117.