Cite

"Ecology"

MLA

Erdoes, Richard, 1912-2008. "Ecology". Box 42. 1971-1977, undated. https://collections.library.yale.edu/catalog/2108708.

APA, 6th edition

Erdoes, Richard, 1912-2008. (["Box 42"])(1971-1977, undated)["Ecology"]. https://collections.library.yale.edu/catalog/2108708.