Cite

"Cyprus [Egr?], Swamps, Moss"

MLA

Erdoes, Richard, 1912-2008. "Cyprus [Egr?], Swamps, Moss". Box 79. 1973, undated. https://collections.library.yale.edu/catalog/2101647.

APA, 6th edition

Erdoes, Richard, 1912-2008. (["Box 79"])(1973, undated)["Cyprus [Egr?], Swamps, Moss"]. https://collections.library.yale.edu/catalog/2101647.