Cite

"Ogham Stone Drumlechs Etc."

MLA

Erdoes, Richard, 1912-2008. "Ogham Stone Drumlechs Etc.". Box 76. 1985-1991, undated. https://collections.library.yale.edu/catalog/2099200.

APA, 6th edition

Erdoes, Richard, 1912-2008. (["Box 76"])(1985-1991, undated)["Ogham Stone Drumlechs Etc."]. https://collections.library.yale.edu/catalog/2099200.