Cite

Procession medium

MLA

Erdoes, Richard, 1912-2008. Procession medium. Box 66 | Las Golondrinas; Mountain Crosses. 1978-1981, undated. https://collections.library.yale.edu/catalog/2091717.

APA, 6th edition

Erdoes, Richard, 1912-2008. (["Box 66 | Las Golondrinas; Mountain Crosses"])(1978-1981, undated)[Procession medium]. https://collections.library.yale.edu/catalog/2091717.