MLA

Erdoes, Richard, 1912-2008. New Orleans, Jackson Square. Box 78 | Kenneth Florida, Long Boat Key, New Orleans. 1973, undated. https://collections.library.yale.edu/catalog/2100377.

APA, 6th edition

Erdoes, Richard, 1912-2008. (["Box 78 | Kenneth Florida, Long Boat Key, New Orleans"])(1973, undated)[New Orleans, Jackson Square]. https://collections.library.yale.edu/catalog/2100377.