Blue Heron
MLA
Erdoes, Richard, 1912-2008. Blue Heron. Box 80 | Everglades 1973. 1973, undated. https://collections.library.yale.edu/catalog/2101962.
APA, 6th edition
Erdoes, Richard, 1912-2008. (["Box 80 | Everglades 1973"])(1973, undated)[Blue Heron]. https://collections.library.yale.edu/catalog/2101962.