Cite

19th Century Maps

MLA

Erdoes, Richard, 1912-2008. 19th Century Maps. Box 46 | Plains Indian History II. 1976-1983, undated. https://collections.library.yale.edu/catalog/2077823.

APA, 6th edition

Erdoes, Richard, 1912-2008. (["Box 46 | Plains Indian History II"])(1976-1983, undated)[19th Century Maps]. https://collections.library.yale.edu/catalog/2077823.