Cite

Map of the Philadelphia, Easton & Water Gap Rail Road. Lithy. of A. Kollner.

MLA

Kollner, August. Map of the Philadelphia, Easton & Water Gap Rail Road. Lithy. of A. Kollner. 1852. https://collections.library.yale.edu/catalog/15603994.

APA, 6th edition

Kollner, A. (1852). Map of the Philadelphia, Easton & Water Gap Rail Road. Lithy. of A. Kollner. [Maps]. https://collections.library.yale.edu/catalog/15603994.