Cite

The Picayune's map of New Orleans.

MLA

The Picayune's Map of New Orleans. The Picayune, 0AD. https://collections.library.yale.edu/catalog/15827504.

APA, 6th edition

The Picayune's map of New Orleans. (0 C.E.). [Maps]. The Picayune, https://collections.library.yale.edu/catalog/15827504.