MLA Format

Lionel Pincus and Princess Firyal Map Division, The New York Public Library. "Map of the upper part of the City of New York, from Fifty Seventh Street to Kings-Bridge : showing the "West Side Improvements," with dimensions, elevations of grade and distances complete / Compiled and drawn under the direction of Hamilton E. Towle, Civil Engineer and City Surveyor, 78 Cedar St., New York." The New York Public Library Digital Collections. 1868. http://digitalcollections.nypl.org/items/234a9210-f3a2-0130-e627-58d385a7b928